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1·Investigations have never turned up any evidence.

调查从未发现过任何证据。《柯林斯英汉双解大词典》

2·The board of inquiry is continuing its investigations.

调查委员会在继续做调查。《牛津词典》

3·The police tell me they've finished their investigations out there.

警方告诉我他们已经完成了在那边的调查。《柯林斯英汉双解大词典》

4·We are making further investigations and will take the matter from there.

我们正在进一步调查，并将从那里入手。《柯林斯英汉双解大词典》

5·He assisted in unofficial ways with the routine legwork in various investigations.

他在多个调查中例行外勤以非正式的方式来进行协助。《柯林斯英汉双解大词典》

6·Investigations have ground to a standstill because no witnesses have come forward.

调查已陷入一种停滞状态，因为没有证人出来作证。《柯林斯英汉双解大词典》

7·Their theory was accepted until 1980, when more focused investigations showed it to be incorrect.

他们的理论直到1980年才被接受，当时更有针对性的调查显示这一理论是错误的。

8·It argues that since prosecutors do not consume a company's products as part of their investigations, they could be influenced only by the halo effect.

它认为，因为检察官的调查并不包括消费企业产品，所以他们就只可能被“光环效应”影响。

9·Unfortunately, the few scientific investigations of yawning have failed to find any connection between how often someone yawns and how much sleep they have had or how tired they are.

不幸的是，少数针对打哈欠的科学调查未能发现人们打哈欠的频率与他们睡觉时长和疲劳程度之间有任何联系。

10·The commission's office of compliance, inspection, and investigations plans to intensify its security of stock analysts to investigate whether research is an independent function at brokerage firms.

该委员会的合规，检查和调查办公室计划加强其股票分析师的安全性，以调查研究是否是经纪公司的独立职能。

调查

1·The board of inquiry is continuing its investigations.

调查委员会在继续做调查。《牛津词典》

2·We are making further investigations and will take the matter from there.

我们正在进一步调查，并将从那里入手。《柯林斯英汉双解大词典》

3·He assisted in unofficial ways with the routine legwork in various investigations.

他在多个调查中例行外勤以非正式的方式来进行协助。《柯林斯英汉双解大词典》

4·Their theory was accepted until 1980, when more focused investigations showed it to be incorrect.

他们的理论直到1980年才被接受，当时更有针对性的调查显示这一理论是错误的。

5·It argues that since prosecutors do not consume a company's products as part of their investigations, they could be influenced only by the halo effect.

它认为，因为检察官的调查并不包括消费企业产品，所以他们就只可能被“光环效应”影响。

(1)on-the-spot investigation实地考察

(1)field investigation现场调查；现场试验

(1)experimental investigation试验研究

(1)under investigation在调查研究中

(1)investigation report调查报告书

(1)sampling investigation抽样调查