The cost of the system is reduced and the structure is predigested, and it makes the detection system can measure distance, relative velocity and azimuth angle at the same time.
这样做既提高了系统的经济性，简化了结构，又使得系统具有了同时测量目标距离、相对速度和方位角的功能。
The azimuth Angle change between the two units can be calculated by once operation according to the deviation angles and relative torsion angles measured with the units at each point.
在一次测量过程中，两组测量单元可以测出各自所在位置的井斜角和相对扭转角，由此可计算出两个单元之间的方位角变化。
The azimuth Angle change between the two units can be calculated by once operation according to the deviation angles and relative torsion angles measured with the units at each point.
在一次测量过程中，两组测量单元可以测出各自所在位置的井斜角和相对扭转角，由此可计算出两个单元之间的方位角变化。
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