• Did you keep a duplicate of the contract?
• Provide a separate invoice in duplicate for each purchase order.
• Duplicating research is costly and time-consuming.
• The report merely duplicates earlier findings.
• We need to eliminate such wasteful duplication of effort.
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There's a machine that can duplicate nine DVDs at a time.
Some of the proposed laws duplicate those already adopted by the federal government.
Their past success might be hard to duplicate.
We will not be able to return the documents, so keep a duplicate copy.
»duplicate invoice/statement/receipt
Internal controls are not in place to provide for the prevention of duplicate payments.
»Dishonest people filed duplicate claims or received rental assistance while living in government-paid housing.
I have lost the document and my boss says she cannot provide a duplicate.
a duplicate of sth »Ask the bank to send you a duplicate of the bank statement each month.
»create/make/produce a duplicate
duplicate of an engraving - копия гравюры
in duplicate - в двух экземплярах
duplicates of machine parts - запасные части, запчасти
their ship was a duplicate of ours - их корабль был точной копией нашею
duplicate collection - информ. дублетный фонд
duplicate document - копия документа
duplicate work - а) повторная работа; б) массовое производство взаимозаменяемых деталей; в) копирование (на станке)
duplicate proportion /ratio/ - мат. двойная пропорция
duplicate parts - запасные части
duplicate set of tools - запасной набор инструментов
to duplicate a circular letter - размножить циркулярное письмо
to duplicate expenses - удвоить расходы
The ring was an exact duplicate of her mother's ring.
We made a duplicate of the key.
The contract is prepared in duplicate, so that both parties can sign it.
The original experiment cannot be exactly duplicated.
I wanted to avoid simply duplicating work that had already been done.
This is a natural look which you can easily duplicate at home.