网站首页 词典首页
If is piecewise smooth, that is, consists of several smooth curves joined together.
如果是分段光滑的, 即是由几段光滑曲线连接起来的.
互联网
英汉翻译词典包含4367426条英汉汉英翻译词条,基本涵盖了全部常用英语单词及常用语的翻译及用法,是英语学习的有利工具。