circular curve的用法和樣例：
例句
- The outlining curve of an isometric polygon is one of the un-rounded curves, it is difficult to measure its parameters and calculate the errors.
摘要等距型面輪廓曲線為非圓曲線的一種，對其參數的測量和誤差的計算比較困難，目前尚沒有統一的評價標準。 - There are many methods to measure the circular curved line in circuitry construction survey.Angle offset method and tangent offset method are usually used.
摘要在線路施工測量中，圓曲線測設方法有很多，通常採用偏角法或切線支距法。
