High-pure gene fragments could be obtained from little amount of sample through PCR and T-vector.

利用PCR反应和T载体可以从少量的标本中，高效获得高纯度的目的基因。

youdao

Results After a certain amount of sample study process, the accuracy of tongue shape recognition was about 90%.

结果：通过一定量样本的学习训练，舌型特征的识别准确率接近90%。

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There are many factors that influence the sampling error, such as, extent of mark variation, amount of sample unit and the choice of sampling method, etc.

影响抽样误差大小有很多因素，如标志变异程度，样本单位数量的多少，抽样方式方法的选择等。

youdao

"It has so much capability, so much more capability than any other vehicle, that I think we can start to contemplate missions like a Mars sample return, which requires a tremendous amount of lift capability because you've got to send a lander to Mars that still has enough propellant to return to Earth."

VOA: special.2011.04.11

One major drawback, however, was the amount of time and work that was needed to prepare a sample.

FORBES: Ion Torrent Gives Its DNA-Sequencing Box A Boost

It's been quite some time since the new privacy policy was introduced, but the university says the sample group didn't reduce the amount of info shared with non-friends on the network, even as of 2011.

ENGADGET

After a specified amount of time, the swatches were then put into contact with a bacterial sample.

WSJ: How Alcohol-Free Hand Sanitizers Hold Up