para curve的用法和樣例：
例句
用作名詞 (n.)
- Any continuous curve can be closely approximated by a series of small parabolic segments.
任一連續曲線(xiàn)可以借一系列很小的拋物線(xiàn)線(xiàn)段較精密地近似表示。 - A plane curve formed by the locusof points equidistant from a fixed line and a fixed point not on the line.
拋物線(xiàn)到一固定直線(xiàn)和不在直線(xiàn)上某一固定點(diǎn)等距的點(diǎn)的軌跡所形成的平面曲線(xiàn)。
