【单选题】【消耗次数：1】
进行水平角度测量时，采用在各测回间变换度盘位置的方法，取各测回平均值，可以减弱光学经纬仪水平度盘刻划不均匀对水平角度测量结果的影响。
①
正确
②
错误
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相关题目
【单选题】
用光学经纬仪按测回法进行水平角度测量，当进行多测回法观测时，为了减少度盘刻划不均匀误差的影响，各测回间应按（ ）的差值变换度盘起始位置。
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360/n
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180/n
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270/n
④
90/n
【单选题】
用经纬仪进行水平角度测量时，采用盘左、盘右两个盘位进行观测取平均值的方法，可以消除（ ）对观测结果的影响。
①
仪器整平的误差
②
外界条件的影响
③
仪器对中的误差
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视准轴不垂直于横轴的误差
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The construction of the building will have completed by the end of this month.
①
正确
②
错误
【单选题】
If he ___ tomorrow, he would find Mr. Wang in the office.
①
comes
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will come
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should come
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come
【单选题】
If he had worked harder, he ___.
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would succeed
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had succeeded
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should succeed
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would have succeeded
【单选题】
The most important ___ of his speech was that we should all work whole-heartedly for the people.
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element
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sport
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chance
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point