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(1)調(diào)(偵)查(look or search into so as to learn the facts)[I，T+n，T+wh]：～to find out the cause of a railway accident 調(diào)查以找出一起鐵路事故的原因;～the case/the affair/the murder/the mystery 調(diào)查那一案件/事件/謀殺案/迷案;A detective was sent to～the crime. 一名偵探被派去調(diào)查那件犯罪案。 The police were～ing how the man was murdered. 警方正在調(diào)查那個(gè)人是怎樣被謀殺的。

(2)審查(find out detailed facts about)[T+n]：thoroughly～applicants before appointing them 在任命前徹底審查申請(qǐng)人;

(3)調(diào)查研究(try to discover by detailed study;research)[T+n]：～market for sales of a product/ways of increasing profits 為一產(chǎn)品的銷售作市場(chǎng)調(diào)查/研究增加利潤(rùn)的方法;～the possibilities of doing sth研究做某事的可能性;Scientists～nature to learn more about it. 科學(xué)家們對(duì)自然界進(jìn)行調(diào)查研究，以便更多地了解它。

→in?vesti′gation n 調(diào)查;審查;調(diào)查研究;in′vestigative;in′vestigatory adj 調(diào)查的;審查的;調(diào)查研究的;in′vestigator n 調(diào)查者;審查者;調(diào)查研究者