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本文针对线路（包括铁路和公路）的中线测设计算量大、野外作业条件的不可预知性和劳动强度大等特点，介绍了一种基于线路设计模型的一体化中线测设的教学模型及方法，以此为基础开发了实用的中线放样程序并运用于我国第一条磁悬浮线───交大青城磁浮列车试验示范城的中经测设中，实践证明一体化的思想及方法具有高效、灵活和可靠性等特点。
In this paper, based on the characteristics of large calculation and calculation of the midline of lines (including railways and highways), unpredictability of working conditions in the field, and labor intensity, a teaching model and method of integrated midline survey based on line design models Based on this, a practical midline loft program was developed and applied to the first magnetic suspension line in China - Flexible and reliable features.