单词	duplicate
释义	duplicate1 verbduplicate2 adjectiveduplicate3 noun duplicatedu‧pli‧cate1 /ˈdjuːplɪkeɪt $ ˈduː-/ ●○○ verb [transitive] Verb Table VERB TABLE duplicate Simple Form Present I, you, we, they duplicate he, she, it duplicates Past I, you, he, she, it, we, they duplicated Present perfect I, you, we, they have duplicated he, she, it has duplicated Past perfect I, you, he, she, it, we, they had duplicated Future I, you, he, she, it, we, they will duplicate Future perfect I, you, he, she, it, we, they will have duplicated Continuous Form Present I am duplicating he, she, it is duplicating you, we, they are duplicating Past I, he, she, it was duplicating you, we, they were duplicating Present perfect I, you, we, they have been duplicating he, she, it has been duplicating Past perfect I, you, he, she, it, we, they had been duplicating Future I, you, he, she, it, we, they will be duplicating Future perfect I, you, he, she, it, we, they will have been duplicating Examples EXAMPLES FROM OTHER DICTIONARIES Give the plant a lot of bright light, to duplicate outdoor conditions. Scientists raced to duplicate Fleishmann's experiments. EXAMPLES FROM THE CORPUS A number of them are duplicated in Windows 3.1 and these are more up to date versions. She then instructed her subjects to duplicate these postures as precisely as possible. So we shall have copies of errors being duplicated in the population. Social-science research on stepparent families has underscored the point that biological ties are surprisingly difficult to duplicate. Such a request would be unusual in public law applications as it would duplicate the role of the guardian ad litem. The strategy worked, and Mr Rysavy began duplicating it at other officesupply stores that he bought. The version provided says that it will duplicate software that early versions of CopyIIPC will not. To properly duplicate the Green Bay aura, we are looking for cities, counties or clusters of towns of similar size. Collocations COLLOCATIONS FROM THE CORPUSNOUN► work · It's obvious from the apparatus what he's been doing, and any competent biologist could duplicate the work.· This duplicates the work of the Federal Register. 1to copy something exactly:  New copies of the form can be duplicated from a master copy. The video was duplicated illegally.2to repeat something in exactly the same way:  We don’t want staff to duplicate each other’s work.—duplication /ˌdjuːplɪˈkeɪʃən $ ˌduː-/ noun [uncountable] duplicate1 verbduplicate2 adjectiveduplicate3 noun duplicatedu‧pli‧cate2 /ˈdjuːpləkət $ ˈduː-/ ●○○ adjective [only before noun] Examples EXAMPLES FROM OTHER DICTIONARIES It's a good idea to keep duplicate files on floppy disk. EXAMPLES FROM THE CORPUS Most of the savings would come from cutting duplicate corporate operations and staff. The elimination of duplicate support positions. The elimination of redundancy means that database searches do not return duplicate sequence information. Using object replication, it automatically generates duplicate versions of objects on multiple disks with negligible overheads. Collocations COLLOCATIONS FROM THE ENTRY► duplicate copy  A duplicate copy should be made for the county record office. COLLOCATIONS FROM THE CORPUSNOUN► copy · Complete the application for an official search using a carbon for the duplicate copy comprised in the one form.· A duplicate copy of the invoice will be retained by the builder's surveyor for record purposes.· We went back inside and signed the indentures, the scrivener cutting the parchment into three and keeping a duplicate copy.· I am so particularly pleased with these, that I should feel much gratified by possessing a duplicate copy of each. exactly the same as something, or made as an exact copy of something:  A duplicate copy should be made for the county record office. a duplicate key duplicate1 verbduplicate2 adjectiveduplicate3 noun duplicateduplicate3 ●○○ noun [countable] Word Origin WORD ORIGINduplicate3 Origin: 1400-1500 Latin duplicatus, past participle of duplicare ‘to double’, from duplex; ➔ DUPLEX Examples EXAMPLES FROM OTHER DICTIONARIES a duplicate of the key I only have one house key, but I'll have a duplicate made for when you visit. EXAMPLES FROM THE CORPUS But they began searching for a distant location to store duplicates of some of the more vital records and equipment. I wanted that card to complete the set, so ruefully handed over twelve of my duplicates. Many, indeed, were duplicates. Rather, their duplicates develop during embryogenesis in entirely different ways to form highly differentiated bodies. The official document was still laid out on the centre of the table alongside the first few lines of his handwritten duplicate. This was a reserve duplicate of those now running. When a tape is full, make a duplicate of it for storage elsewhere. 3.4.2. Thesaurus Longman Language Activatorsomething that has been copied from something else► copy something that has been copied and made to look exactly like something else: · I don't have my original birth certificate. Will you accept a copy?copy of: · Connie left copies of the document on everybody's desk.· a 19th century copy of the popular Rembrandt painting ► photocopy also copy a copy of a piece of paper or a picture that has been made using a machine: · Please send a photocopy of your passport.make a copy: · Can you make seven copies of this, please? ► duplicate an exact copy of something that can be used in the same way, especially when the original one has been lost: · I only have one house key, but I'll have a duplicate made for when you visit. ► model a small copy of a building, vehicle, or machine, made to look exactly like the original building, vehicle etc: model of: · White's team made a model of the new ballpark to show the public.model ship/airplane etc: · There was a shelf in his bedroom full of model planes.scale model (=a model with the same size and distance relationships as the real thing): · The 1957 photo shows him holding a scale model of an ocean liner he built entirely by hand. ► replica a copy of a well-known vehicle, building, or weapon, especially one that is the same size as the original: · a replica fire truck from the 1920sreplica of: · A replica of the space shuttle is parked at the center's entrance.· The building is an exact replica of the original Globe theatre. ► reproduction a copy of an old or valuable work of art or piece of furniture: · The store sells a range of reproduction furniture in Colonial style.reproduction of: · a reproduction of a beautiful Ming vase ► imitation imitation jewellery, furniture, fur etc are copies of expensive things that are made of cheaper material so that they look similar but cost much less: · an imitation sheepskin seat cover · The original woodframe house had been covered with imitation brick siding. ► facsimile an exact copy of an old or valuable document or piece of writing, that is done on the same kind of paper or material it was originally written or printed on: · A facsimile of the 1896 book was published in February. ► backup copy/backup a copy of computer information that you save on a separate disk, so that if something goes wrong with your computer, you will still have the information: · Make sure to make backup copies of all your data.· Don't store the backups near the computer, where someone could easily steal them both. ► clone an animal or plant that is an exact copy of another one, and is produced by taking a cell from another plant or animal and developing it artificially: · These plants are all clones of the same original plant. Collocations COLLOCATIONS FROM THE ENTRY► make duplicates  Locksmiths can make duplicates of most keys. COLLOCATIONS FROM THE CORPUSVERB► make · Master locksmiths can make duplicates of most keys - including those for cars, safes, padlocks, etc.· When a tape is full, make a duplicate of it for storage elsewhere. 3.4.2.· The typewriter, carbon-paper and the camera have made duplicates of important papers readily available. 1an exact copy of something that you can use in the same wayduplicate of Locksmiths can make duplicates of most keys. She kept both the duplicate and the original.2in duplicate if something is in duplicate, there are two copies of it:  Copies of the proposal should be sent in duplicate.
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