Polar Vector – an unusually long-lived Polar outbreak bringing very cold weather.
极矢量——异乎寻常长时间的极地寒潮带来的强冷空气。 。
P-wave displacement is a polar vector, and its direction remains unchanged when we move it from right hand coordinate system to left hand coordinate system(or in the opposite way).
纵波位移是极向量，在坐标系由右手坐标系变成左手坐标系（或相反）时，不改变位移方向；
The results show that the interference-free tool path can be generated with polar projection method and the even variable cutter axis vector can be obtained.
结果表明，极坐标投影法可以得到无干涉的五轴加工刀位数据，并可以获得均匀变化的刀轴矢量。
A new method is proposed to analyse the motion of plane mechanism by means of complex polar coordinates vector method.
提出用复数-极坐标矢量法(简称复矢量法)来分析平面机构的运动。
A new method is proposed to analyse the motion of plane mechanism by means of complex polar coordinates vector method.
提出用复数-极坐标矢量法(简称复矢量法)来分析平面机构的运动。
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