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- A Study of Short Distance Precise Trigonometric Leveling 微视距精密三角水准研究
- precise trigonometric leveling 精密三角高程测量
- Analysis on the accuracy of precise trigonometrical leveling 精密三角高程测量的精度分析
- 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。
- Short distance precision trigonometry leveling and application to subsidence monitoring 短视距精密三角高程测量在沉降监测中的应用
- 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。
- TESTING ANALYSIS OF PRECISE EDM TRIGONOMETRIC LEVELLING 精密EDM三角高程测量的试验分析
- The level of formality determine the precise mode of expression. 不同的礼节程度决定所需的确切表达方式。
- 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
- A practicable method of correction for atmospheric refraction in precise EDM trigonometric leveling 精密EDM三角高程测量中的折光改正实用方法
- He was very precise in following instructions. 他一丝不钆地地执行指示。
- I can't give you a precise date. 我不能告诉你一个确切的日期。
- He was very precise in his manners. 他的一言一行都有板有眼。
- At the precise moment the train started. 就在那时，火车启动了。
- We had precise orders to come home by nine o'clock. 我们得到严格的命令须於九点前回家。
