The practice shows that this method not only may decrease reference frame error caused outside condition but also weaken errors of theodolite and improve efficiency.
实践证明，本方法不仅可以减弱外界条件引起坐标系变化误差的影响，还可以进一步减弱仪器误差，提高作业效率。
The practice shows that this method not only may decrease reference frame error caused outside condition but also weaken errors of theodolite and improve efficiency.
实践证明，本方法不仅可以减弱外界条件引起坐标系变化误差的影响，还可以进一步减弱仪器误差，提高作业效率。
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