right angle coordinate system 利用直角坐标系
hour angle coordinate system 时角坐标系
circuit angle coordinate system 周角坐标系
oblique angle coordinate system 斜角坐标系
earth right angle coordinate system 大地直角坐标系
Equivalent and Difference of Natural Coordinate System with Right Angle Coordinate System When Constraining Anti-force Comes into Being;
在一个惯性坐标系中与物体静止质量相当的能量； 等于静止质量乘以光速的平方。
So we could pick any point on the structure including an Angle relative to the global coordinate system.
所以我们可以在结构上选取任何一个点，相对于全局坐标系存在角度。
At the global coordinate system, the flight velocity and flight Angle of all the fragments are calculated with program.
在全局坐标系下，对所有破片的飞散速度和飞散角度进行了编程计算。
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