- 更多网络例句与中和平面相关的网络例句 [注:此内容来源于网络,仅供参考]
-
A plane curve is smooth if it is determined by a pair of parametric equations ,Whereandexist and are contiuous on, andand are not simultaneously zero on.
称平面曲线是光滑的,如果曲线可以由参数方程,决定,其中和在上连续,且和在上不同时为0。