... trigonometric function 三角函数 trigonometric leveling 三角水准测量 trigonometric ray tracing 三角光线跟踪 ...
基于92个网页-相关网页
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。
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.
传统的测量方法为水准测量和三角高程测量，它们都存在着不同的优缺点。
The traditional methods are geometrical leveling and trigonometric leveling. They have different advantage and disadvantage.
采用测距三角高程法进行跨河水准测量，可以不量取仪器高，但观测值中有两类不同的观测量。
When completed river crossing leveling by means of trigonometric leveling with distance measurement, there are two types of observed values.
应用推荐