To learn even more about the poachers, Pheasey sends locals to buy eggs, so she can sample their DNA.

为了更好地了解偷猎者，菲斯让当地人去买海龟蛋，这样她就可以从中获得DNA样本。

Each sample can be represented as a number.

每个样本都可以表示为一个数字。

Why order from the menu  when you can sample from the entire buffet?

当您可以从整个自助餐中品尝时，为什么要从菜单中订购？

Tissue samples can be easily retrieved from a tumor near the body's surface.

可以从身体表面附近的肿瘤中轻松取出组织样本。

These samples can then get sent to the lab for staining, culture, and PCR to look for evidence of Mycobacterium tuberculosis.

标本被送到实验室去做染色实验、细菌培养以及聚合酶链式反应，来检验TB存在的证明。

But it will likely be late October or November before the coral samples can be returned to the reef, Lewis said.

但刘易斯说，珊瑚样本可能要到10月底或11月才能回到珊瑚礁。

You could also visit one of the tea plantations that can be found across the country where you can sample different flavors of tea.

你也可以参观遍布全国的茶园，在那里你可以品尝不同口味的茶。

Degraded samples can be extremely complex to analyse, says Dr Simonsen, in particular if material from several people has been mixed together.

西蒙森博士说，降解样本的分析极其复杂，尤其是当来自多个人的样本混合在一起时。

For three years, de Vries and colleagues wrote in a 2015 paper outlining the program's policies, samples can only be used for research that strengthens African research capacity.

“三年内，”德·弗里斯和同事们在2015年的一篇论文中概述了该项目的政策，“样品只能用于加强非洲研究能力的研究。”

It was also quickly discovered that carbon-14 samples can be easily contaminated with carbon from other sources, a tiny scrap of vegetable matter, for instance, that has been collected with the sample and not noticed.

人们又很快发现，碳－14的样品很容易被别处的碳污染，比如，一小点儿连同样品一起被采集来的而又没有被注意到的植物。