Fighter jets of this kind were constructed at Novosibirsk Chkalov aircraft factory and one specimen was given to the laboratory.

这种战斗机由新西伯利亚契卡洛夫飞机制造厂制造，有一个标本交给了这个实验室。

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Complete audit trail throughout the laboratory for every specimen.

实验室的每个标本都要经过核查。

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Methods Adopt Fieldepidemiology investigation methods, take the questionable food and environment specimen to carry out laboratory detection.

方法：采用现场流行病学调查方法，采取可疑食品及环境标本进行实验室检测。

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Sereno came across the specimen as a graduate student while doing research in a Harvard University laboratory and intended to write about it immediately.

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