| 释义 |
bel
bel B0023700 (bĕl)n. Abbr. b or B Ten decibels.
[After Alexander Graham Bell.]bel (bɛl) n (Units) a unit for comparing two power levels, equal to the logarithm to the base ten of the ratio of the two powers. Symbols: B or b See also decibel[C20: named after Alexander Graham Bell]
Bel (beɪl) n (Non-European Myth & Legend) (in Babylonian and Assyrian mythology) the god of the earthbel1 (bɛl)
n. ten decibels. [1925–30; after A. German. Bell] bel2 (bɛl)
n. Bel. 1. Belgian. 2. Belgium. Thesaurus| Noun | 1. |  Bel - a logarithmic unit of sound intensity equal to 10 decibelsBsound unit - any acoustic unit of measurement | | 2. | Bel - Babylonian god of the earth; one of the supreme triad including Anu and Ea; earlier identified with En-lilBabylon - the chief city of ancient Mesopotamia and capital of the ancient kingdom of Babylonia |
TranslationsBel
Bel (bāl, bĕl), deity of the Middle Eastern religionsMiddle Eastern religions,
religious beliefs and practices of the ancient inhabitants of the Middle East. Little was known about the religions of the city-states of W Asia until stores of religious literature were uncovered by excavations in the 19th and 20th cent.
..... Click the link for more information. . The name is a cognate of that of BaalBaal
, plural Baalim
[Semitic,=master, lord], name used throughout the Bible for the chief deity or for deities of Canaan. The term was originally an epithet applied to the storm god Hadad.
..... Click the link for more information. . For Bel in the Bible, see Bel and the DragonBel and the Dragon,
customary name for chapter 14 of the Book of Daniel, a passage included in the Septuagint and the Apocrypha. It was written possibly in the 1st cent. B.C. as a response to Gentile threat to the Jewish culture and state.
..... Click the link for more information. .Bel the unit for a relative logarithmic quantity (the logarithm of the ratio between two physical quantities of the same name) that is used in electrical engineering, radio engineering, acoustics, and other branches of physics. It is designated by the letter B and is named after the American inventor of the telephone, A. G. Bell. The number of bels N, which corresponds to the ratio of two energy quantities P1 and P2 (which relate to power, energy, energy density, and so on), is expressed by the formula N = log (P1/P2); for “force” magnitudes F1 and F2 (voltage, current strength, pressure, field strength, and others), it is expressed as N = 2 log (F1/F2). The tenth part of a bel, called a decibel (dB), is usually used. bel[bel] (physics) A dimensionless unit expressing the ratio of two powers or intensities, or the ratio of a power to a reference power, such that the number of bels is the common logarithm of this ratio. Symbolized b; B. belA unit of sound level which denotes the ratio between two quantities proportional to power; the number of bels equals the logarithm of this ratio, to the base 10; 1 bel=10 decibels.bel a unit for comparing two power levels, equal to the logarithm to the base ten of the ratio of the two powers. bel
bel [bel] a unit of relative power intensity used for acoustic or electric power; a change of one bel is a tenfold power increase and approximately doubles loudness of most sounds. See also decibel.bel (bel), Unit expressing the relative intensity of a sound. The intensity in bels is the logarithm (to the base 10) of the ratio of the power of the sound to that of a reference sound. Ordinarily, the reference sound is assumed to be one with a power of 10-16 watts per sq cm, approximately the threshold of a normal human ear at 1000 Hz. [A.G. Bell, Scottish-U.S. scientist, 1847-1922] bel Acoustics
A unit expressing the logarithm of the ratio of power of a sound (P1) to that of a reference sound (P2)—i.e., log10P1/P2; in practice, the unit decibel is used.bel (bel) Unit expressing the relative intensity of a sound. The intensity in bels is the logarithm (to the base 10) of the ratio of the power of the sound to that of a reference sound. Ordinarily, the reference sound is assumed to be one with a power of 10-16 watts per sq cm, approximately the threshold of a normal human ear at 1000 Hz. [A.G. Bell, Scottish-U.S. scientist, 1847-1922]LegalSeeBBEL
BELGOST 7.67 Latin three-letter geocode for Belgium. The code is used for transactions to and from Belgian bank accounts and for international shipping to Belgium. As with all GOST 7.67 codes, it is used primarily in Cyrillic alphabets.BEL
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| BEL➣Bell | | BEL➣Belgium (ISO Country code) | | BEL➣Belarus | | BEL➣Business, Economics and Law (various locations) | | BEL➣British Elite League (speedway) | | BEL➣Behind Enemy Lines | | BEL➣Bharat Electronics Limited | | BEL➣Belorussian (linguistics) | | BEL➣Binary Event Log | | BEL➣Blood Ethanol Level (alcohol content) | | BEL➣Bennett Environmental, Inc. (stock symbol; formerly the symbol for Bell Atlantic) | | BEL➣Budget Expenditure Line (various locations) | | BEL➣Brazila Esperanto-Ligo (Esperanto: Brazilian Esperanto League) | | BEL➣Brand Experience Lab | | BEL➣Buffered Field-Effect-Transistor Logic (semiconductors) | | BEL➣Brain Embodiment Lab (UK) | | BEL➣Bulk Excavation Level (civil engineering) | | BEL➣Belem, Para, Brazil - Val De Cans (Airport Code) | | BEL➣Licentiate in Bioethics (Roman Catholic degree) | | BEL➣Brown Electronic Lab | | BEL➣Basic Equipment List | | BEL➣Basic Expedition Leader (outdoor education) | | BEL➣Bureau d'Etude et de Liaison (French: Office of Study and Association; est. 1959) | | BEL➣Bachelor of English Literature | | BEL➣Business Element List | | BEL➣BMC3 Engineering Lab | | BEL➣Buchanan Environmental Ltd (Fredericton, NB, Canada) |
Bel
Synonyms for Belnoun a logarithmic unit of sound intensity equal to 10 decibelsSynonymsRelated Wordsnoun Babylonian god of the earthRelated Words |