【单选题】【消耗次数:1】
大地水准面处处与铅垂线()。
正交
平行
重合
斜交
参考答案:
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相关题目
【单选题】 ()处处与铅垂线垂直。
①  水平面
②  参考椭球面
③  铅垂面
④  大地水准面
【单选题】 大地水准面是通过()的水准面
①  赤道
②  地球椭球面
③  平均海水面
④  中央子午线
【单选题】 大地水准面是通过( )的水准面。
①  赤道
②  地球椭球面
③  平均海水面
④  中央子午线
【单选题】 大地水准面是()。
①  大地体的表面
②  地球的自然表面
③  一个旋转椭球体的表面
④  参考椭球的表面
【单选题】 画铅垂线应()。
①  从下到上
②  从左到右
③  从右到左
④  从上到下
【单选题】 该形体有()根铅垂线。
①  4
②  6
③  8
④  10
【判断题】 斜桩倾斜度的偏差不得大于倾斜角(桩纵向中心线与铅垂线间的夹角)正切值的15%。
①  正确
②  错误
【单选题】 在地球表面,水准面有无数个,通过平均海水面高度的那个水准面,称为大地水准面。
①  正确
②  错误
【判断题】 大地水准面是国家统一的高程起算面(高程基准面)。
①  正确
②  错误
【单选题】 水平角观测时,对中的目的是使(??? ???)与测站在同一铅垂线上。
①  视准轴
②  圆水准管轴
③  竖直度轴中心
④  仪器中心
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