The mechanism of laser shock peening and application of the coating and limiting layer are studied.

研究激光喷丸的机理及涂层和约束层的应用技术。

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Like offense and bitterness, it grows in layer fashion, often becoming an immobilising force that sets a limiting factor in the person's life.

和侵犯、苦楚一样，不安全感以层的方式增加，通常会变为一种具有瘫痪力，给这个人的生活设置下一个局限因素的力量。

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This paper introduces the principle of a layer effect method to manufacture a new current limiting fuse for protecting high voltage potential transformers.

介绍了一种敷层效应的原理，利用该原理已研制出一种高压电压互感器保护用限流熔断器。

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"An inversion layer is keeping the smoke close to the ground, limiting visibility and reducing helicopter air operations, " Berry said.

CNN: Firefighters make headway in California wildfire

While the ozone layer in the upper atmosphere plays an important role in limiting harmful ultraviolet light reaching the Earth's surface, low-level ozone is a pollutant that is harmful, causing respiratory problems in animals as well as well-documented cases in humans.

BBC: Invasive plant 'increases ozone pollution'