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- trigonometric leveling measure 三角高程测量
- 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。
- Noise and Vibration Level Measuring of Lin. 交通噪音、振动及车流量测定。
- Level measurement to the accurate spare part. 对精密零部件的平行、平面测量。
- 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。
- And LA90,5 min level measured during class is 50.5 dB(A). 课堂上实测室内的LA90;5 min达到50.;5 dB(A)
- Liquid level gauges shall be used for local level measurement. 液体液位计应用于现场液位测量。
- 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
- The paper introduces a simple but practical liquid level measuring instrument. 摘要本文介绍一种简单实用的液位测量装置。
- In the FMCW(frequency modulated continuous wave) liquid level measuring system,the key to measure the distance is to detect the frequency of the sinusoidal echo beat signal. 在FMCW(调频连续波)微波液位测量系统中,回波差拍正弦信号的频率检测是实现距离测量的关键。
- 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 Study of Short Distance Precise Trigonometric Leveling 微视距精密三角水准研究
- Talking about Earth-Curvature Correction in Trigonometric Leveling 也谈三角高程测量中地球曲率的改正
- Keywords total station;ranging traverse;trigonometric leveling; 全站仪;测距导线;三角高程测量;
- In the traditional penstock level measurement and transmission system, data of water level is measured by hand. 传统的水渠水位测报系统采用人工检测的方法获取水位数据，整个测量过程繁琐、费时，而且易受人为因素影响；
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
