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n.[天]极距
1、polar───n.(Polar)人名；(德、西)波拉尔；n.极面；极线；adj.极地的；两极的；正好相反的
2、polar hippos───极地河马
3、polar circle───[数]极圆；[天][测]极圈
4、distance piece───定距块；隔离段；隔离段，定距块
5、polar beat───极拍
6、perpendicular distance───垂直距离；垂（直）距（离）
7、polar coordinates───n.极坐标；n.[数][天]极坐标
8、distance───vt.疏远；把…远远甩在后面；n.距离；远方；疏远；间隔
9、amphitrichous polar───两性极性
1、Main factors of magnetic intensity and polar distance influencing the dry high magnetic separation were studied in this paper.───本文对影响干式强磁分选的主要因素磁场强度和极距进行了试验研究。
2、This principle of the design is based on ampere-conductor-unit in order that it adapts itself to different polar distance.───本文介绍一种新的变极电机绕组设计原理，它以“安导元”作为基础。
3、Application of ionic membrane electrolyzer with high current density and zero polar distance───高电流密度零极距离子膜电解槽的应用
4、So, in a way, you can think of these as a space analog of polar coordinates because you just use distance to the origin, and then you have to use angles to determine in which direction you're going.───也可以把这种坐标，看成是空间中的极坐标，它其实使用了，距离原点的距离，然后用角度这种标尺，来确定了方向。
5、A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).───一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标XiTong。
6、The nickel net was settled down on the surface of mSA membrane to realize zero polar distance electrolysis in the cathode room.───将阴极镍网预埋在阳离子交换膜的表面上，以实现阴极室中的零极距电解。