目前,在世界空间坐标中用来表示人形身体的位置和方向的最好方法是什么呢?
Now, what would be the best way to represent the position and orientation of human body in world space?
作者在该文中从世界空间的四维坐标和四维波矢量出发,证明了电磁波的相位不变性。
This article, on the basis of four dimensional coordinates and four dimensional wave vectors of world space, proves the phrase constancy of electromagnetic waves.
如果启用,该线被定义在世界级坐标空间。
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