Thursday, September 22, 2022
在使用DS3型微顷水准仪的水准测量中,一测站中要进行一次粗略整平,至少()次精确整平。...
Friday, September 16, 2022
问答题设已测得从经纬仪中心到铁塔中心的距离为45.20米,塔顶的仰角为22°51′,塔底中心俯角为1°30′,求铁塔高H。...
Thursday, October 19, 2023
Thursday, September 22, 2022
Friday, September 16, 2022
Saturday, September 17, 2022
将地表面上的地物、地貌的平面位置和高程按一定的比例,用统一规定的符号,将其缩绘在图纸上,称()...
Thursday, September 22, 2022
Thursday, September 22, 2022
小平板仪的构造比较简单,主要部件有()、照准仪、()、对点器等。...
Thursday, September 22, 2022
单选题大平板仪是用()来整平的。A 水平度盘B 测板C 自动安平...
Tuesday, November 1, 2022
对道路中线里程桩和JD桩补测、校正的测量作业叫做恢复中线测量。...
Sunday, September 18, 2022
根据《光学经纬仪检定规程》(JJG414—2003)规定共检定15项,检定周期一般不超过()。...
Sunday, September 18, 2022
Saturday, September 17, 2022
单选题1:500比例尺地形图上0.2mm,在实地为()。A 10米B 10分米C 10厘米...
Thursday, October 19, 2023
Saturday, May 6, 2023
Thursday, September 15, 2022
Thursday, September 22, 2022
单选题控制桩应设在离基槽边线约()m外的安全地点。A 1B 2C 3D 4...
Friday, February 9, 2024