In the adjustment program of triangulation net by directional condition observation, to apply the formulas of polar coordinate condition is a new way.

本文介绍了三角网按方向条件观测平差的电算程序中，应用极坐标条件式的新方法。

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The second way to have something that is net nonpolar is to have spatially symmetric disposition of polar bonds.

第二种构成，需要空间非极性，就是需要极性键的空间对称分布。

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The second way to have something that is net nonpolar is to have spatially symmetric disposition of polar bonds.

第二种构成,需要空间非极性,就是需要极性键的空间对称分布。

麻省理工公开课 - 固态化学导论课程节选

We only have the one bond so the actual HF molecule is polar, it has a net dipole.

但HF中只有一根键,所以分子也是极性的而甲烷中有一个网状偶极。

麻省理工公开课 - 固态化学导论课程节选

Polar has laid off at least 1, 000 workers since January, but added 2, 400 net new jobs over the last year and a half through its Pepsi venture.

FORBES: The beer baron