Sunday, September 11, 2022
水准仪精平后,说法正确是()。A、视准轴水平B、竖轴垂直C、水准管轴水平D、圆水准器轴水平...
Thursday, August 17, 2023
高斯平面直角坐标系中直线的坐标方位角是按以下哪种方式量取的()?...
Thursday, September 15, 2022
Thursday, September 15, 2022
GPS 测定某点的大地高中误差为±6mm,水准测定该点的高程中误...
Thursday, September 15, 2022
Sunday, September 11, 2022
系统误差可以通过观测方法和数据处理手段加以消除,它是衡量测量精度的指标。...
Wednesday, July 26, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
Saturday, September 10, 2022
建筑物沉降观测是用水准测量的方法,周期性地观测建筑物上的()和水...
Sunday, September 11, 2022
相对误差是衡量距离丈量精度的标准。以钢尺量距,往返分别测得125...
Sunday, September 11, 2022
Thursday, September 15, 2022
对某量进行n次观测,若观测值的中误差为m,则该量的算术平均值的中...
Thursday, September 15, 2022
当桥墩位于水中,无法丈量距离及安置反光镜时,采用()。...
Sunday, September 11, 2022
当钢尺实际长度比名义长度短时,则测量得到AB两点间的距离比实际距...
Sunday, September 11, 2022
普通测量距离时用的钢卷尺,从外形上分为架式(手柄式)与盒式两种。...
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
中桩测量(放线)的内容有哪些?进行中桩测量应注意哪些问题?...
Thursday, September 15, 2022