【判断题】【消耗次数：1】
测回法测单个水平角时，一般应用多测回法来减少度盘分划误差。
①
正确
②
错误
参考答案：
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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。
①
360/n
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180/n
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270/n
④
90/n
【单选题】
用测回法测水平角，测完上半测回后，发现水准管气泡偏离2格多，在此情况下应(? ? ??)。
①
继续观测下半测回
②
整平后观测下半测回
③
整平后全部重测
④
影响不大
【单选题】
用回测法观测水平角，测完上半测回后，发现水准管气泡偏离２格多，在此情况下应（ ）
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继续观测下半测回
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整平后观测下半测回
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整平后全部重测
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重新观测上半测回
【单选题】
用测回法观测一个水平角度时，测得上半测的回角值为：60°12 24 ，下半测回的角值为：60°12 06， 则一测回角值为（ ）
①
20°24 30
②
60°12 15
③
0°00 18
④
0°00 09
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【单选题】
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