Ethylene was used as a probe to detect the N2-binding site in nitrogenase.

用乙烯为探针研究了固氮酶中n2的键合位。

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It may be used for the measurement of high magneticfields and be used as a probe for Gauss meter in low Temperature.

它在超导磁场下有较高灵敏度、重复性、低线性误差，所以可以用于测量高磁场和作为低温高斯计的探头。

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But what started out as a medical instrument is now used routinely to probe complex questions about behaviour and motivation.

不过作为医学仪器开始应用，如今是在例行检查方面，以探究有关行为和动机的复杂问题。

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The more information that comes out, the more it looks like federal agents used cyberstalking as a pretext to launch their probe.

FORBES: Was There Illegal Cyberstalking In The Petraeus Affair?

Worse yet, their investigation will also be used as a pretext to thwart congressional inquiries into the leaks for the duration of that probe.

CENTERFORSECURITYPOLICY: Hold Obama Accountable

These include a small ultrasound probe that can be used to scan for internal injuries such as fluid in the abdomen or internal bleeding, and a video laryngoscope, which can be used to view and open a patient's airway by inserting a tube a tricky and potentially dangerous procedure.

ECONOMIST: Emergency medicine