请确认送检的样品出自普通级别产品，而非添加样品。

Please make sure the samples are from standard - usual - production serie as received and not a "spiked".

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或者发现了新的基因家族？结果表明，我们找到了50000个主要的基因家族，但我们从环境中获得的每一个新样品都以线性方式添加到这些新家族中。

And it turns out we have about 50, 000 major gene families, but every new sample we take in the environment adds in a linear fashion to these new families.

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接下来，在金属基板上添加一种由两种聚合物组成的混合物来制作样品，这个工艺过程被称为嵌段共聚物光刻(BCP)。

Next, a mixture of two polymers is added to the metal substrate to create patterns, a process known as diblock copolymer lithography (BCP).

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