Through kept sample common temperature investigation and accelerated test investigation, validity may tentatively decide for 2 years;

经常温留样考察和加速试验考察，有效期可暂定为2年；

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This photomicrograph was obtained by scanning a beam of electrons across the sample while a detector kept track of electrons bouncing off its surface, betraying the specimen's outer shape.

这幅显微照片是通过扫描穿过样品的电子束而获得的，同时检测器对从样品表面反弹的电子进行追踪，这些电子显示了标本的外形。

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Note that the way builds are triggered is kept simple for this sample application.

注意，构建被触发的方式对于这个应用程序而言是相当简单的。

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One is in the U.S.at the Centers for Disease Control, where there is a sample of variola, which is kept, you know, frozen on ice in a heavily guarded facility.

一个在美国的疾病控制中心,那有一支天花病毒的样本,冰冻后置于重重保护之下

耶鲁公开课 - 生物医学工程探索课程节选

The DNA samples used to identify a "true" wildcat include a Victorian specimen kept in the British Museum - providing a sample with 63, 000 genetic markers.

BBC: When is a wildcat really a wildcat?