Observation And Control Technology(测控技术), 此释义来源于网络辞典。
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The GPS technology to carry out control surveying over mining area, including GPS mesh distribution, outdoor observation, and indoor error-elimination is introduced.
介绍了利用GPS新技术进行矿区控制测量的GPS网布设方法，以及外业观测、内业平差方法及计算。
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