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在路线勘测中,充分利用旧路及原有构造物可大大降低工程造价并保护自然环境。而新线与旧路、原构造物拟合情况是否良好,主要取决于控制点的选取和交点坐标的求得。
In the route survey, taking full advantage of the old road and the original structure can greatly reduce the project cost and protect the natural environment. The new line and the old road, the original structure fitting situation is good, mainly depends on the control point selection and intersection coordinates.