To take samples that retain the larger structure of the sediment, a core sampler is used.

为了保持样品沉积物的层次结构，就要用空心铁管采样器。

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A larger probe also will set off for Mars around 2030 to take samples and return to Earth.

2030年左右，我国还将向火星发射一个更大一些的探测器，获取样本后将返回地球。

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To take samples that retain the larger structure of the sediment, a core sampler is. used.

为了保持样品沉积物的层次结构，就要用空心铁管采样器。

youdao

His newest tree ring samples, from southern Vietnam, enabled him to take the climate record back much further.

VOA: standard.2010.04.05

The bill would set strict standards and then give state inspectors summary powers to board the ships to take samples.

ECONOMIST: Black water, did you say?

Laurenzi said the testing policy requires collectors to take samples to their homes until FedEx can immediately send the sample to the laboratory.

CNN: Ryan Braun's sample collector defends test process

Before prospecting he is careful to get government permission to take samples, usually in exchange for a promise to pay royalties on any eventual commercial use.

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