The paper analyzed the properties of concentric curve, theprinciple and method of setting out stakes of middle-line &sidings on one random station and closed with main points.

 
  • 分析了同心曲線(xiàn)的性質(zhì),提出了可在任意點(diǎn)設站測設同心曲線(xiàn)的原理及放樣同心曲線(xiàn)的中線(xiàn)、側線(xiàn)各樁并閉合于各自主點(diǎn)的方法.
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