Methods Field epidemiology and serologic investigation methods were used.

方法采用现场流行病学、血清学调查的方法。

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Methods Animal experiments and population investigation methods were used.

方法采用动物实验和人群调查方法。

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Through the analysis of network intrusion methods, this article advances some prevention measures, investigation methods and methods of obtaining evidences.

文章通过对计算机网络入侵方法与手段的分析，提出一些防范措施和侦查取证方法。

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If you have to have your memory refreshed with your report more than a couple of times (or at all in a simple case), cannot articulate your methods of investigation, use an inordinate number of vocalized pauses, allow yourself to get flustered, or just generally look like a dunce, the defense attorney has successfully tacked you on a cross.

FORBES: Q: What are some cultural faux pas in police departments?

Although the first investigation involving geoforensics was at the start of the 20th Century, Doyle's famous detective was using the methods to solve crimes in London some 30 years before.

BBC: NEWS | Entertainment | Solving it like Sherlock