将柔性坐标系引入经纬仪工业测量中，使其系统自定位不再受仪器整平误差和相对定向误差的影响。
Flexible coordinate system is introduced into theodolite industrial measurement, so there arent errors of instruments levelling and relative orientation in self locating of the system.
该定位定向系统不依靠GPS，中途无须停车作零速修正，是一种全自主的导航系统，具有定位定向精度高、机动性好、可靠性高和寿命长等优点。
The PADS presented is entirely autonomous, not reliable to GPS and ZUPT, and the system has high accuracy, fast reaction and high reliability.
和采用动力调谐陀螺的定位定向系统相比，本系统具有精度高和可靠性好等优点。
Compared with position and azimuth determining system based on dynamically tuned gyroscopes, this new system has higher precision and better reliability.
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