... 三角晶系 trigonometric calculation 三角函数 trigonometric leveling 三角水平测量 trigonometric ray tracing ...
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trigonometric leveling network [测] 三角高程网
stadia trigonometric leveling 视距三角高程测量
edm trigonometric leveling edm三角高程测量 ; edm测高
adjustment of trigonometric leveling [测] 三角高程平差
range trigonometric leveling 测距三角高程
ranging trigonometric leveling 测距三角高程
trigonometric leveling method 三角高程测量法
subtend trigonometric leveling 对向测距三角高程
Finally the second order GPS river-crossing leveling experiment was carried out in the high precision control network for Anqing railway bridge over Yangtze river, which was validated by trigonometric leveling, and the difference is 4.7mm.
在安庆长江铁路大桥精密控制网测量中,进行了二等GPS跨河水准测量试验,采用测距三角高程法进行验证,较差为4.7mm。
参考来源 - GPS在桥梁跨河水准测量中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Elevation difference by trigonometric leveling shall be corrected by spherical aberration.
三角高程测量高差值应进行球差改正。
Subtending distance measurement trigonometric leveling uniting second-class leveling is adopted to measure height.
采用对向测距三角高程联合二等水准进行标志的高程测量。
The effect of atmospheric refraction error on observed value is a very thorny problem in EDM trigonometric leveling.
在光电测距三角高程测量中，大气折光对观测量的影响是一个非常棘手的问题。
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