Law of the investigative activities is the study object of science of investigation.

侦查活动规律是侦查学的研究对象。

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Studying the definition of the scene of a crime is useful for the science of investigation and it can help the practise of investigation work.

研究犯罪现场的定义，既是进一步深化侦查学研究的必要，同时对指导侦查实践也有实际意义。

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This workshop shows that it takes a deep understanding of science to lead a crime scene investigation.

VOA: special.2010.05.05

Indian physicist, biologist, and early writer of science fiction, he pioneered the investigation of radio and microwave optics and laid the foundations of experimental science in the Indian subcontinent.

UNESCO: Some important dates for radio

Following a deluge of letters, emails and telephone calls accusing Mann of bad science practices, Penn State found it prudent to conduct an internal investigation.

FORBES: Michael Mann And The ClimateGate Whitewash: Part One