If, however, either the product or the test material changes significantly over time, the instrumentation exercise will need to be repeated.

然而，如果产品或测试材料随着时间的推移变化很大，那么就需要重复实施装置。

youdao

Electrical charge flowing through a memristor changes the resistance state of the device, but actually observing the corresponding material changes has been a challenge.

通过忆阻器的电流可以改变它的电阻状态，但是在实际环境中观察随之而来的材料改变是一个挑战。

youdao

We will monitor compliance with this Order Execution Policy and review it at least annually. We will amend it as appropriate and will notify clients of any material changes.

我方将监察本订单执行政策是否符合规定，并至少每年复核一次。我方将作出适当修订，若有任何重大更改将会通知客户。

youdao

Those individuals suffer from diseases caused by mutations or changes in genetic material.

VOA: special.2010.03.23

What I really want to do is just give an example of what happens when you throw the thing, the material into a calorimeter and see how much the temperature changes.

我想做的是给出当,你把这些东西，这些材料扔进，量热计时会发生什么,看看温度会变化多少。

麻省理工公开课 - 热力学与动力学课程节选

Lehman said Thursday it did not expect any material changes from what it said Monday.

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Investors in Dutch companies have had a binding vote since 2004 on material changes to executive pay policies.

WSJ: EU Reaches Deal to Curb Bank Bonuses

So at best, if the SEC does go through some material changes and real reform, investors might be more confident and feel more secure investing.

FORBES: About The 2010 Outlook Panel