Laboratory tests show that secretions from the bodies of these millipedes are rich in two chemicals that are potent mosquito repellents, and mosquitoes carry parasites that debilitate capuchins.

实验室测试表明，这些千足虫体内的分泌物富含两种化学物质，这两种物质是有效的驱蚊剂，而蚊子携带的寄生虫会削弱卷尾猴的能力。

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Laboratory tests show polymorphonuclear leukocytosis.

实验表明多型核白细胞增多。

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Both the engineering practice and laboratory tests show that structural collapse in petroleum chalk tends to occur during water injection.

工程实践和室内试验都表明，油田白垩遇水后极易发生颗粒结构崩溃现象。

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Only laboratory tests can show whether they are a threat to other birds, or to those who keep them.

ECONOMIST: Animal and human health

Laboratory tests with wild perch show that a widely prescribed medication called oxazepam makes the fish more mellow but also more antisocial and vulnerable to predators, the researchers said.

WSJ: Anxiety Drug in Rivers Affects Fish Behavior