Designating a geometric coordinate system with mutually perpendicular axes.
利用坐标定位的系统。
The molecule of the Figure has two mutually perpendicular rings with one atom in common.
图中的分子有共用着一个原子的两个互相垂直的环。
Consider these freedoms with respect to the three mutually perpendicular axes XX, YY, and ZZ.
相对于三根互相垂直的坐标轴XX、YY和ZZ来考虑这些自由度。
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