The traditional method of designing radiation part is to determine the different angle and depth of the gap corresponds to the conductance through experiments.

设计辐射波导，传统的方法是通过实验来确定不同倾角和不同切口深度的缝隙对应的电导数据。

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The laser-arc hybrid welding can improve the depth of fusion, welding speed and assembly gap, so it is a new and promising thermal source for welding.

激光-电弧复合热源焊接可以增大焊接熔深，提高焊接速度，增大装配间隙，是一种很有前途的新型焊接热源。

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It has also been proved that the gap depth can be tuned by the lengths of poled domains.

通过分析，我们证明了禁带的深度可通过极化畴的长度实现调节。

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