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单词 cd
释义

CD


Cd

The symbol for cadmium.

CD

abbr.1. certificate of deposit2. civil defense3. cluster of differentiation antigen4. compact disc5. French corps diplomatique (diplomatic corps)

cd

abbr.1. candela2. cord

cd

abbreviation for (Commerce) cash discount symbol for (Units) candela

cd

the internet domain name for (Computer Science) Democratic Republic of Congo

Cd

abbreviation for (Parliamentary Procedure) (in Britain) command (paper) the chemical symbol for (Elements & Compounds) cadmium

CD

abbreviation for 1. (Electronics) compact disc 2. (Government, Politics & Diplomacy) Civil Defence (Corps) 3. (Government, Politics & Diplomacy) Corps Diplomatique (Diplomatic Corps) 4. (Government, Politics & Diplomacy) Conference on Disarmament: a United Nations standing conference, held in Geneva, to negotiate a global ban on chemical weapons 5. (Banking & Finance) (in the US and Canada) certificate of deposit. Also: C.D.

CD

1. certificate of deposit. 2. Civil Defense. 3. compact disc.

Cd


Chem. Symbol. cadmium.

cd

1. candela. 2. Also, cd. cord.

C.D.

Civil Defense.

Cd

The symbol for cadmium.
Thesaurus
Noun1.cd - a soft bluish-white ductile malleable toxic bivalent metallic elementCd - a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc oresatomic number 48, cadmiummetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.calamine, hemimorphite - a white mineral; a common ore of zinc2.cd - the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvincandela, standard candle, candlecandlepower unit, luminous intensity unit - a measure of luminous intensity3.CD - a debt instrument issued by a bank; usually pays interestcertificate of deposittime deposit - a certificate of deposit from which withdrawals can be made only after advance notice or at a specified future datecertificate of indebtedness, debt instrument, obligation - a written promise to repay a debt4.cd - a digitally encoded recording on an optical disk that is smaller than a phonograph recordCD - a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a lasercompact disc, compact diskaudio CD, audio compact disc - compact discs used to reproduce sound (voice and music)CD-R, CD-WO, compact disc recordable, compact disc write-once - a compact disc on which you can write only once and thereafter is read-only memoryCD-ROM, compact disc read-only memory - a compact disk that is used with a computer (rather than with an audio system); a large amount of digital information can be stored and accessed but it cannot be altered by the useroptical disc, optical disk - a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surfacerecording - a storage device on which information (sounds or images) have been recordedAdj.1.cd - being one hundred more than three hundred400, four hundredcardinal - being or denoting a numerical quantity but not order; "cardinal numbers"
Translations
光盘

CD

(siːˈdiː) noun (abbreviation) compact disc. 光碟(縮寫) 光盘（缩写式） CD player noun an electrical instrument for playing compact discs. 光碟播放機 激光唱机CD-ˈROM noun (abbreviation) compact disk read-only memory; a disk which stores information that can be displayed on a computer. 光碟唯讀記憶體 只读光盘驱动器

cd

→
  • When will the CD be ready?

    • CD


    Cd,

    symbol for the element cadmiumcadmium
    [from cadmia, Lat. for calamine, with which cadmium is found associated], metallic chemical element; symbol Cd; at. no. 48; at. wt. 112.411; m.p. 321&degC;; b.p. 765&degC;; sp. gr. 8.65 at 20&degC;; valence +2.
    ..... Click the link for more information.     .

    CD:

    see compact disccompact disc
    (CD), a small plastic disc used for the storage of digital data. As originally developed for audio systems, the sound signal is sampled at a rate of 44,100 times a second, then each sample is measured and digitally encoded on the 4 3-4 in (12 cm) disc as a series of
    ..... Click the link for more information.     .

    CD

    Abbrev. for Córdoba Durchmusterung. See Bonner Durchmusterung.

    Cd

    (chemistry) cadmium

    CD

    (optics) circular dichroism

    candela

    The International Standard unit of luminous intensity; closely approximates the formerly accepted unit known as the “international candle.”

    CD

    (1)Compact Disc

    cd

    (operating system)change directory.

    cd

    (networking)The country code for the Democratic Republicof the Congo (formerly Zaire, zr).

    CD

    (1) See carrier detect, candela and continuous delivery.

    (2) (Change Directory) A command in DOS/Windows that changes the current command line directory (see Chdir). CD also does the same thing in Unix/Linux (see Unix commands).

    (3) (Compact Disc) An optical digital audio disc that contains up to 74 minutes of hi-fi stereo sound. Introduced in the U.S. in 1983, the disc is a plastic platter (120mm/4.75" diameter) recorded on one side, with individual tracks playable in any sequence. Its storage capacity is from 650MB to 700MB. Other forms of CDs, such as CD-ROM, CD-I and Video CD, all stem from the original Compact Disc-Digital Audio (CD-DA) format. CDs can be played in CD, CD-ROM, CD-R, CD-RW and most DVD drives. For more on how CDs are made, see CD-ROM.

    Sound is converted into digital code by sampling the sound waves 44,056 times per second and converting each sample into a 16-bit number. CDs use 1.411 million bits for each second of stereo sound, although this bandwidth requirement is reduced considerably when music compression formats are used (see MP3 and AAC). The tracks are recorded as microscopic pits in a groove that starts at the center of the disc and spirals outward to the edge.

    A Note on Terminology
    In the early 1990s when CD-ROMs first became popular, "CD" meant music, and "CD-ROM" meant data. Today, "CD" refers to both audio CDs and data CD-ROMs, which also include CD-R and CD-RW media. See CD-ROM and mini CD.

    The Books
    Documentation for various CD formats are found in books commonly known by the color of their covers.

     Red Book - CD-DA (Audio) Yellow Book - CD-ROM (Data) Orange Book - CD-R, CD-RW, Photo CD (Recordable) White Book - VCD (Video) Blue Book - CD Extra (Audio and data) Green Book - CD-I (Interactive)


    What Happened to the Phonograph?


    The audio CD was introduced in the U.S. in 1983, and within five years, CDs and CD players exceeded the sales of LPs and turntables.

    From Carved Sound to Pits
    Unlike phonograph records, in which the platter is literally carved with sound waves, CDs are recorded as microscopic pits covered by a clear, protective plastic layer. Instead of a needle vibrating in a groove, a laser shines onto the pits, and the reflections are decoded. Audio CDs, as well as all variations of the CD (CD-ROM, CD-R, etc.) use a spiral recording track like a phonograph record, but start at the center, not the edge. See analog audio.

    Better Dynamic Range
    Digital sound is cleaner than phonograph records because the numbers are turned into sound electronically. There are no needle pops and clicks and no tape hiss if the original recording was digital. In addition, the CD can handle a wider range of volume. A soft whisper can be interrupted by a loud cannon blast. If a phonograph record were recorded with that much "dynamic range," the needle would literally jump out of the groove.

    Too Harsh for Critical Ears?
    Pops and clicks aside, from the onset of audio CDs, many critics claimed digital sound was harsh and not as musical as the vinyl platter. DVD-Audio and SACD, two advanced digital formats with superior sound quality, came out in 1999, but neither one became popular (see DVD-Audio and SACD). See high-resolution audio.

    In the meantime, turntables and vinyl records are still manufactured, although in smaller quantities, and this legacy industry is expected to persist. See turntable, laser turntable and USB turntable.

    CD


    CD

     dose" >curative dose; donor" >cadaveric donor.

    Cd

     1. cadmium.2. caudal or coccygeal.

    CD

    Abbreviation for curative dose; circular dichroism; cluster of differentiation; compact disc.

    Cd

    Symbol for cadmium.

    cd

    Symbol for candela.

    CD

    Abbreviation for:
    cadaveric donor
    caesarean delivery
    Canavan disease
    canine distemper
    capillary diameter
    carbon dioxide
    cardiac denervation
    cardiac disease
    cardiac dysfunction
    cardiovascular disease
    Castleman’s disease
    catalytic domain
    cathepsin D
    cation dependent
    cause of death
    celiac disease
    cell death
    cell density
    cell dissociation
    centre distance
    cerebellar degeneration
    cervical dystonia
    Chagas disease
    challenge dose
    chemical dependency
    chemical diabetes
    chiral discrimination
    choline deficiency
    chronic dialysis
    chronic dizziness
    cigarettes/day
    civil defence (Medspeak-UK)
    clinical dietician
    clinical director (Medspeak-UK)
    clinical directorate (Medspeak-UK)
    cluster designation
    cluster of differentiation (Medspeak-UK)
    coal duct
    cocaine dependent
    coeliac disease
    cognitive deterioration
    collecting duct
    colloidal dispersion
    colonic distension
    colour discrimination
    commercial diet
    common bile duct
    complete dentition
    complete diet
    computer design
    conduct disorder
    conduction defect
    conduction disorder
    cone degeneration
    cone dystrophy
    conjugated diene
    consanguineous donor
    conserved domain
    constitutional delay
    contact dermatitis
    contagious disease
    control diet
    controlled drug, see there (Medspeak-UK)
    conventional dialysis
    conversion disorder
    convulsive disorder
    convulsive dose
    corneal dystrophy
    coronary disease
    cortical dysplasia
    counting device
    courtship display
    Cowden’s disease
    Crohn’s disease
    cultural deprivation
    cultural disadvantage
    cumulative dose
    curative dose
    Cushing disease
    cycle day
    cyclodextrin
    cytosine deaminase
    cytosolic domain
    cytotoxic dose
    cystic duct
    cytoplasmic domain

    CD

    1. Cluster designation, cluster of differentiation Immunology A nomenclature system for surface antigens of human leukocytes, macrophages, platelets, and other cells, characterized by monoclonal antibodies, allowing these cells to be categorized by lineage; most cells have > 1 surface antigen; 'w'–workshop designations indicate an incompletely characterized antigen; also 1. Chemical diabetic.2. Chief of division.3. Childhood disease.4. Common duct.5. Communicable disease.6. Compact disk.7. Complicated delivery.8. Contact dermatitis.9. Controlled drug.10. Convulsive disorder.11. Corneal dystrophy.12. Crohn's disease.13. Cystic duct.14. Left posterior descending coronary artery, see there.

    CD

    Abbreviation for cumulative dose;curative dose;circular dichroism;cluster of differentiation.

    Cd

    Symbol for cadmium.

    CD

    Abbrev. for. cluster of differentiation (or designation). This is a standard descriptive code applied to antigenic surface molecules on white cells, especially T LYMPHOCYTES, that are identified by a particular group of monoclonal antibodies. Well over 100 CD receptors have been described.

    CD

    Abbreviation for cluster of differentiation.

    CD


    certificate of deposit (CD)

    n. a document issued by a bank in return for a deposit of money which pays a fixed interest rate for a specified period (from a month to several years). Interest rates on CD's are usually higher than savings accounts because banking institutions require a commitment to leave money in the CD for a fixed period of time. Often there is a financial penalty (fee) for cashing in a CD before the pledged time runs out.

    CD


    CD (1)

    See: Certificate of deposit

    CD (2)

    The two-character ISO 3166 country code for CONGO, THE DEMOCRATIC REPUBLIC OF.

    Certificate of Deposit

    A deposit at a bank or other financial institution that has a fixed return (usually via an interest rate) and a set maturity. The depositor does not have access to the funds in a certificate of deposit until maturity; in exchange, he/she is usually entitled to a higher interest rate. CDs are insured by the FDIC up to a certain amount and as such are a way to increase return for no extra risk. See also: Demand deposit, Real estate certificate of deposit, Negotiable certificate of deposit.

    CD

    See certificate of deposit.

    Certificate of deposit (CD).

    CDs are time deposits. When you purchase a CD from a bank, up to $100,000 is insured by the Federal Deposit Insurance Corporation (FDIC).

    You generally earn compound interest at a fixed rate, which is determined by the current interest rate and the CD's term, which can range from a week to five years.

    However, rates can vary significantly from bank to bank. You usually face a penalty if you withdraw funds before your CD matures, often equal to the interest that has accrued up to the time you make the withdrawal.

    CD

    See certificate of deposit.

    CD


    AcronymDefinition
    CD➣Compact Disc
    CD➣Certificate of Deposit
    CD➣Civil Defense
    CD➣Candela (luminous intensity)
    CD➣Change Directory (MS-DOS)
    CD➣Current Directory
    CD➣Color Display
    CD➣Control Data
    CD➣Community Development
    CD➣Corporate Design
    CD➣Calendar Day
    CD➣Creative Director
    CD➣Career Development
    CD➣Committee Draft
    CD➣Car and Driver (magazine)
    CD➣Canadian Dollar
    CD➣Candle
    CD➣Cord
    CD➣Council District
    CD➣Cross Dresser
    CD➣Conservation District
    CD➣Concept Design
    CD➣Comprehensive Database
    CD➣Claude Debussy (classical composer)
    CD➣Chad
    CD➣Communication Device
    CD➣Concept Development
    CD➣Capacity Development (international economics)
    CD➣Critical Decision
    CD➣Curriculum Development
    CD➣Celine Dion (Canadian singer)
    CD➣Ciudad (city; postcode use, Mexico)
    CD➣Center Director
    CD➣Carrier Detect
    CD➣Currently Disabled
    CD➣Conduct Disorder
    CD➣Companion Dog (AKC Obedience Title)
    CD➣Content Dictionary
    CD➣Chicken Dance
    CD➣Collision Detection
    CD➣Cordoba (Argentina province, airline code)
    CD➣Collateral Damage
    CD➣Club Deportivo
    CD➣Christian Dior
    CD➣Crossdresser (transvestite, drag)
    CD➣College Dictionary
    CD➣Congressional District
    CD➣Conference on Disarmament
    CD➣Cadmium
    CD➣Contract Data
    CD➣Critical Dimension
    CD➣California Dreamin'
    CD➣Cultural Development
    CD➣Carpe Diem (MMORPG game)
    CD➣Corporate Development
    CD➣Continuous Delivery (software development)
    CD➣Chemical Dependency
    CD➣Country Director (Peace Corps)
    CD➣Conceptual Design
    CD➣Change of Direction
    CD➣Call Data
    CD➣Common Denominator
    CD➣Contrary to the Discipline (Quaker religion)
    CD➣Cold Drink
    CD➣Component Design
    CD➣Communications Director
    CD➣Crohn's Disease
    CD➣Creative Differences
    CD➣Civil Defence
    CD➣Civil Disobedience
    CD➣Critical Design
    CD➣Democratic Republic of the Congo (country code, top level domain)
    CD➣Counter/Drug
    CD➣Current Density
    CD➣Center Distance
    CD➣Control and Display
    CD➣Celiac Disease
    CD➣Communicable Disease
    CD➣Consent Decree
    CD➣Cold Drawn
    CD➣Camp Director
    CD➣Coastal Defense
    CD➣Conserved Domain (proteins)
    CD➣Cost Distribution
    CD➣Cooldown
    CD➣Cooldown (World of Warcraft gaming)
    CD➣Capability Data (ITU-T)
    CD➣Castle Douglas (Scotland, UK)
    CD➣Cooperation and Development
    CD➣Circular Dichroism
    CD➣Controlled Drug
    CD➣Clostridium Difficile
    CD➣Clearance Delivery (aviation)
    CD➣Context-Dependent (research parameter)
    CD➣Chinese Dragon (automobile)
    CD➣Cloaking Device (Star Trek)
    CD➣Cortical Dysplasia (congenital abnormality)
    CD➣Cruise Director
    CD➣Combined Data
    CD➣Cognitive Disabilities
    CD➣Coeliac Disease
    CD➣Counter-Drug
    CD➣Canada Dry
    CD➣Coefficient of Drag (aerodynamics)
    CD➣Common Dialog (windows programming)
    CD➣Carried Down
    CD➣Cluster of Differentiation (aka Cluster of Designation; antigens)
    CD➣Cytoplasmic Domain (immunology)
    CD➣Central Division
    CD➣Call Detail
    CD➣Cloth-Diapering
    CD➣Chromatic Dispersion
    CD➣Capacitor Discharge (steel stud welding method)
    CD➣Chronic Diarrhea
    CD➣Computer Division (various locations)
    CD➣Cavalry Division
    CD➣Core Damage (nuclear reactors)
    CD➣Contract Design
    CD➣Chemical Defense
    CD➣Circuit Description (Bell System)
    CD➣Circuit Description
    CD➣Corps Diplomatique
    CD➣Climate Dynamics
    CD➣Construction Defect
    CD➣Comisión Directiva (Spanish)
    CD➣Confidential Document
    CD➣Climatological Data
    CD➣Conservation Dependent (IUCN Red List of Threatened Species Lower Risk sub-category)
    CD➣Common Drain (amplifier topology)
    CD➣Cushing's Disease
    CD➣Carnitine Deficiency
    CD➣Chunichi Dragons (Japanese professional baseball team)
    CD➣Cultural Diffusion
    CD➣Cotrel-Dubousset (orthopedics)
    CD➣Cash Dispenser
    CD➣Consumers Digest
    CD➣Cable Duct
    CD➣Cash Disbursements (bookkeeping)
    CD➣Cross Direction
    CD➣Credit Derivative
    CD➣Criteria Documents (NIOSH)
    CD➣Conceptual Diagram
    CD➣Conditional Discharge
    CD➣Call Distributor (PBX feature)
    CD➣Construction Document
    CD➣Curriculum Director
    CD➣Conseil de Discipline (French: Disciplinary Board)
    CD➣Communication Disorder
    CD➣Compliance Division
    CD➣Community of Democracies
    CD➣Chris Daniels (and the Kings; band)
    CD➣Cuerpo Diplomático (Spanish)
    CD➣Cuerpo Diplomático
    CD➣Canine Distemper
    CD➣Concept Definition
    CD➣Common Digitizer (radar equipment)
    CD➣Certificate of Destruction
    CD➣Certified Doula
    CD➣Cross Docking (shipping/inventory management)
    CD➣Cross Docking (inventory management)
    CD➣Cell Delay (ATM)
    CD➣Compact Display
    CD➣Correlation Dimension
    CD➣Call Deflection
    CD➣Cross Drive (tank transmission)
    CD➣Converter Display
    CD➣Country Direct
    CD➣Consistency Determination
    CD➣Cel Damage (video game)
    CD➣Combat Development
    CD➣Converter Drive
    CD➣Ceské Dráhy (Czech railways)
    CD➣Conference du Desarmement
    CD➣Committee on Disarmament
    CD➣Chart Datum
    CD➣Control Drawing
    CD➣Cordoba Durchmusterung (star catalogue)
    CD➣Computational Device
    CD➣Cultural Division
    CD➣Complete Denture
    CD➣Coil Driver
    CD➣Call Disconnect
    CD➣Cystitis Diet (veterinary prescription diet food)
    CD➣Concurrent Disorders
    CD➣Canadian Forces Decoration (medal)
    CD➣Concrete Detail (writing)
    CD➣Certification Division (EPA)
    CD➣Calibration Drift
    CD➣Cowden Disease
    CD➣Collector, Dust
    CD➣Claims, Defense
    CD➣Convergence for Democracy
    CD➣Channel Designator (US DoD)
    CD➣Coffin Dancer
    CD➣Competitive Design
    CD➣Critical Defect
    CD➣Contract Definition
    CD➣Complete Divine (Dungeons & Dragons book)
    CD➣Catalytic Distillation (petroleum refining)
    CD➣Coordinated Delivery
    CD➣Curriculum Differentiation
    CD➣Concept Decision
    CD➣Chain Delivery (printing press)
    CD➣Combat Developer
    CD➣Code Detector
    CD➣Classification of Defects
    CD➣Connectivity Date
    CD➣Chained Declustering (computing)
    CD➣Centrumdemokraterne (Danish political party)
    CD➣Custom Delay
    CD➣Command Director
    CD➣Closed Document (number designator)
    CD➣Command Decoder
    CD➣Change Directive
    CD➣Clock Distributor
    CD➣Central Detector
    CD➣Crimp Dies
    CD➣Curative Dose
    CD➣Canadian Decoration
    CD➣Carterfone Decision
    CD➣Capecitabine plus Docetaxel
    CD➣Configuration Drawing
    CD➣Charge Disproportionation
    CD➣Contractual Data
    CD➣Cervicodorsal
    CD➣CoreDirector (Ciena)
    CD➣Certificate of Design
    CD➣Chaos Dwarves (gaming, Warhammer)
    CD➣Corrected Depth
    CD➣Command Discipline (NYPD)
    CD➣Coordinating Draft
    CD➣Canopy Destruct (ejection seat; US DoD)
    CD➣Closed Drain
    CD➣Cookie Dispenser
    CD➣Circular Dichromism
    CD➣Cold Dielectric (high temperature superconducting cables)
    CD➣Courtesy Date
    CD➣Contract Direction
    CD➣Censorship & Documents (division in OSS)
    CD➣California Detectives
    CD➣Certified Drafter
    CD➣Coolant Discharge
    CD➣Coulomb Dipole
    CD➣Crimson Deaths (counter-strike clan)
    CD➣Choice Dividend
    CD➣Certified Diamontologist
    CD➣Containment Depressurization
    CD➣Conventional Demodulation
    CD➣Centralized Disbursing
    CD➣Civil Emergency Preparedness Training (attendance code)
    CD➣Completion Detector/Detection
    CD➣Contractual Dependency
    CD➣Covert Duress
    CD➣Coat Dural (Mavic)

    Cd


    • all
    • noun
    • adj

    Synonyms for Cd

    noun a soft bluish-white ductile malleable toxic bivalent metallic element

    Synonyms

    • atomic number 48
    • cadmium

    Related Words

    • metal
    • metallic element
    • calamine
    • hemimorphite

    noun the basic unit of luminous intensity adopted under the Systeme International d'Unites

    Synonyms

    • candela
    • standard candle
    • candle

    Related Words

    • candlepower unit
    • luminous intensity unit

    noun a debt instrument issued by a bank

    Synonyms

    • certificate of deposit

    Related Words

    • time deposit
    • certificate of indebtedness
    • debt instrument
    • obligation

    noun a digitally encoded recording on an optical disk that is smaller than a phonograph record

    Synonyms

    • compact disc
    • compact disk

    Related Words

    • audio CD
    • audio compact disc
    • CD-R
    • CD-WO
    • compact disc recordable
    • compact disc write-once
    • CD-ROM
    • compact disc read-only memory
    • optical disc
    • optical disk
    • recording

    adj being one hundred more than three hundred

    Synonyms

    • 400
    • four hundred

    Related Words

    • cardinal
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