Accident emergency response and preparedness is a final barrier necessary to reduce potential risks that may arise from nuclear power plants, which must be enhanced.

事故应急响应和准备是减小核电站可能危害的最后必要屏障，必须加强事故应急响应和准备。

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The semiconductor nuclear detector used in said invention adopts the GL mode Li-drift-Au sisurface-barrier detector.

本发明的装置中所用的半导体核探测器最好是采用GL型锂漂移金硅面垒探测器。

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We helped to win the indefinite extension of the Nuclear Non-Proliferation Treaty, a powerful global barrier to the spread of nuclear weapons and their technology.

CNN: Bill Clinton Speaks To A Meeting Of Newspaper Editors