Styrax in Henan Province were studied by field investigation and data analysis.

采用野外调查和资料研究方法，对河南安息香属植物进行了研究。

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METHODS Relative data collected by field investigation was processed by descriptive analysis.

方法采用描述性分析与现场调查相结合的方法。

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The study makes the flaws of pipeline insulation clear by field investigation and test analysis.

本项研究通过进行现场调研、测试分析，查清了管线保温存在的问题；

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Today's charges are the result of a joint investigation by the Department of Justice Antitrust Division's San Francisco Field Office and the FBI in San Francisco.

ENGADGET: Former senior manager at AU Optronics found guilty of involvement in LCD price fixing

The investigation was initiated in the fall by the SEC's New York field office, which estimates investors in the 35 stocks have lost tens of millions of dollars because of the pump-and-dump schemes.

FORBES: Magazine Article