With the extensive application of the electro-optical range finders, the polar coordinate method is used as an easy, rapid and exact method for the curve survey of the high class highways.

 
  • 隨著(zhù)光電測距儀的廣泛使用,極坐標法已逐漸成為高等級公路曲線(xiàn)測設的一種簡(jiǎn)便、迅速、精確的方法。
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