That change in water temperature has lowered a physiological barrier that has kept the crabs in check.

水温的这一变化使控制蟹类的生理学屏障削弱了。

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Vary temperature, barrier height, and potential energies.

不同的温度、势垒高度和潜能。

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The influence of different temperature of dielectric on temporal behavior of dielectric barrier discharge in argon at atmospheric pressure is studied.

在大气压氩气介质阻挡放电中，研究了不同电介质温度对放电时间特性的影响。

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In the next few days, high temperatures will be between 35 degrees Celsius and 40 degrees Celsius, the latter temperature being a key "psychological barrier" that Moscow has never crossed, said Dmitry Kiktev, deputy director for science at official forecaster GidroMetTsentr.

WSJ: Russia Plagued by Forest Fires, Wilting Grain