At present, in this technology has not a quantitive model to portray the artificial barrier pressure drop, best position of pave, thickness and the best amount of used.

目前该技术中没有一个量化的模型来刻画人工隔层压降、最佳铺设位置、厚度和最佳用量。

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The pressure vessel is the third barrier to radioactive material release.

高压管是放射材料的第三道防护。

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This social psychological characteristics of people pressure, increased psychological barrier.

这种社会特征使人们心理压力增大，心理障碍增多。

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"That takes the pressure off the electric barrier and buys all of us some time in finding a long-term solution, " which could include some type of watershed separation, he said.

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However, given new developments in case law, this previously impenetrable barrier in secrecy is giving way to increased pressure from the U.S. government.

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"Lewis suffered a loss of rear brake pressure, the front brakes enabled him to slow the car but he couldn't avoid the barrier, " said Mercedes on Twitter.

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