The stress system also plays a part.

压力系统也会参与其中。

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Based on the new configuration of optic stress system, we need to design a wide bands and long focal night vision collimating lens.

依据新配置的光应力系统试验要求，需设计一套大视场、宽光谱、长焦距的微光准直物镜。

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It is because cell phones affect the areas of the brain responsible for activating and co-coordinating the stress system, making it harder for people to fall asleep, researchers said.

研究人员认为，手机辐射可能会刺激大脑的应激系统，使人更警觉，精神更集中，放松及入睡的能力因此减弱。

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He says the testing campaign may put additional stress on the health system, but that will show where the weaknesses are.

VOA: special.2010.04.28

In recent years, the spread of AIDS has put stress on an impoverished health system.

VOA: standard.2009.09.14

So the idea behind beta blockers for preventing PTSD is that if you can prevent the body's stress system from reacting strongly to a trauma, you might be able to reduce the brain's fear and horror response.

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That puts some stress on the system, as well as on pocketbooks.

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That risks a demand deflation spiral, which is sure to increase the debt burden and sharply slow down growth, not to mention stress the financial system.

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