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- 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。
- Using this method, we can get the reliable value of refraction coefficient and effectively improve the precision of EDM trigonometric leveling only by solving the traditional inversion equation an... 运用该方法时,不需要增加外业工作量,只需通过联合求解传统反演式和理论计算式,便可求得相对可靠的折光系数值,从而有效提高EDM三角高程测量的精度。
- Applying the measuring principle of the trigonometric leveling with total station into the construction of urban pipeline engineering can replace the traditional geometric leveling method. 把全站仪三角高程的测量原理运用到城市管道工程的建设中,可以代替传统的用几何水准测量高程的方法。
- When surveying major diameter and higher hanging pipeline, common trigonometric leveling can t meet precision requirement, but tangent method surveying can meet precision requirement. 在悬空管线测量中,对于管径大、悬空高的管线,用普通三角高程法测量很难满足精度要求,而用切线法测量则很容易达到精度要求。
- Keywords EDM Trigonometric level Atmospheric refraction; 光电测距;三角高程;大气折光;
- Middle method trigonometric leveling 中间法三角高程测量
- Trigonometric Leveling Method of Distance Measuring 测距三角高程法
- Trigonometric leveling with distance measurement 测距三角高程
- adjustment of trigonometric leveling nekwork 三角高程网平差
- I'd like a room on the upper level. 我想要楼上的房间。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
- Keep a level head and phone the Fire Department. 保持冷静，打电话给消防署。
- Simplified Trigonometric Leveling with Total Station Instrument 用全站仪进行三角高程测量的简易方法
- A football field should be level. 足球场地应该平坦。
- A Study of Short Distance Precise Trigonometric Leveling 微视距精密三角水准研究
- The rising level of crime is a sign of the times. 犯罪率增高是这一时代的特徵。
- Talking about Earth-Curvature Correction in Trigonometric Leveling 也谈三角高程测量中地球曲率的改正
- TESTING ANALYSIS OF PRECISE EDM TRIGONOMETRIC LEVELLING 精密EDM三角高程测量的试验分析
