Each sample was tested in triplicate.

每种样品都做过三次检验。

《牛津词典》

Extracting information about the large-scale composition of a planet from a sample weighing a millionth of a gram was a fascinating example of scientific endeavour.

从重量为百万分之一克的样品中提取有关行星宏观组成的信息是一个极为有趣的科学尝试实例。

《柯林斯英汉双解大词典》

It matches that of the paint sample.

它与颜料样品吻合。

youdao

I had my suspicions about the milkshake, and so I took a sample and I rushed it down to the lab.

我怀疑奶昔有问题，于是我取了一份样品，跑到实验室化验。

耶鲁公开课 - 死亡课程节选

And, in fact there's a technique of analysis used today that's called Rutherford back scattering where people actually saw that this is a means of identifying the substance, the sample.

事实上这是现在用的一种分析技术,称作卢瑟福背散射,就是人们实际上看到的那样,这是鉴别物质样品的一种方法。

麻省理工公开课 - 固态化学导论课程节选