geodimeter
... geodetic 大地的测地学的最短线的 geodimeter 光电测距计 geodynamics experimental ocean satellite 地球动力海洋实验卫星 ...
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阐述了精密数字测相的方法，给出了一个自动数字相位计电路及其在精密光电测距中的应用。
A precise digital phase-measuring method was expounded, and a circuit of the digital phase measurement was given. The application of the circuit in electronic distance measurement was also presented.
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