介绍了带极电渣堆焊的原理。

In this article, the principle of strip electrode electroslag surfacing is introduced.

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本文采用积分方程法计算带极靴的任意形状的磁透镜。

In this paper, an integral equation method is developed for calculating the magnetic field produced by the iron-shielded lens of arbitrary shape.

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介绍了国产电脑控制高速带极堆焊设备的结构及其性能。

In this paper, the structure and performance of domestic computer controlled high speed strip overlay welding equipment are introduced.

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Some people like to use an arrow, and the arrow points in the direction of the more electronegative end.

也可以用箭头，箭头指向,带负电的一极。

麻省理工公开课 - 固态化学导论课程节选

So this is a little bit negative and this is a little bit positive, which means I could model this by drawing a dipole. This is a dipole.

这边带一点负电,这边带一点正电，这意味着我能把它表示,成一个偶极。

麻省理工公开课 - 固态化学导论课程节选