theodidact的英语例句
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An improved theodolite fixed with a simple laser direction indicator was introduced.
介绍了用一种简易激光指向器改装经纬仪,使普通经纬仪带有激光指向器.
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It builds coordinate and their correlations of photoelectricity theodolite.
建立了光电经纬仪的各种坐标系及其相互关系.
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This thesis analyses causes of errors of the theodolite examination.
分析了光学经纬仪检定方法中产生的误差的来源和大小.
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