The steady heat characteristic of XLPE cable, the hardware circuit design of current carrying capability and system software design are studied.

对XLPE电缆稳态运行下发热特性、载流能力预测硬件系统及软件系统设计等问题进行了研究。

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They were using the laser to excite and ionize the atoms liberated by the heat of the flame in order to measure the characteristic emissions of different flames.

当时他们用这种激光来激发并电离那些被火焰的高温裂解出来的原子，目的是测量不同火焰的特征辐射。

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But it now suffers from a phenomenon known as "heat islands," a characteristic of megacities in which artificial heat from car exhaust and factory emissions creates a local greenhouse effect.

但是目前，众所周知，它正面临“热岛”现象，大都市所面临的一个问题，车辆排放导致的热以及工厂排放导致本地的温室效应。

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But as the first stars condensed out of the newly formed atoms, the heat and light they produced would have started to tickle the hydrogen clouds around them into emitting radio signals at a characteristic wavelength of 21cm.

ECONOMIST: Radio telescopes