【单选题】【消耗次数:1】
在测量竖直角时,经纬仪的竖直度盘?
随照准部转动
不随照准部转动
有时转动有时不转动
以上答案都不对
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相关题目
【单选题】 在测量竖直角时,经纬仪的竖直度盘?
①  随望远镜转动
②  不随望远镜转动
③  有时转动有时不转动
④  以上答案都不对
【单选题】 当经纬仪的望远镜上下转动时,竖直度盘( )
①  与望远镜一起转动
②  与望远镜相对运动
③  不动
④  与指针一起转动
【单选题】 当经纬仪的望远镜上下转动时,竖直度盘()
①  与望远镜一起转动
②  与望远镜相对运动
③  不动
④  不能确定
【单选题】 当经纬仪的望远镜上下转动时,竖直度盘?
①  与望远镜一起转动
②  与望远镜相对运动
③  不动
④  不能确定
【单选题】 观测水平角时,应在盘左()转动照准部。
①  顺时针
②  由下而上
③  逆时针
④  由上而下
【单选题】 用经纬仪测竖直角时,每次读数前必须转动( )使水准管气泡居中?
①  望远镜微动螺旋
②  水平微动螺旋
③  脚螺旋
④  指标水准管微动螺旋
【单选题】 用经纬仪测竖直角时,每次读数前必须转动( )使水准管气泡居中?
①  望远镜微动螺旋
②  水平微动螺旋
③  脚螺旋
④  指标水准管微动螺旋
【判断题】 用经纬仪照准同一竖直面内不同高度的两个点,在竖直度盘上的读数相同。
①  正确
②  错误
【判断题】 DJ6级光学经纬仪的竖盘始终随着望远镜绕横轴的旋转而旋转;水平度盘外壳也随着照准部绕竖轴的旋转而旋转,但水平度盘并不转动。
①  正确
②  错误
【单选题】 在测量水平角时,经纬仪的水平度盘?
①  随照准部转动
②  不随照准部转动
③  有时转动有时不转动
④  以上答案都不对
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