英语词汇“公切線”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	公切線
释义	公切線 gōng qiē xiàn和两个圆都相切的直线。两个圆在公切线同旁时，称为外公切线；两个圆在公切线两旁时，称为内公切线。公切线上两个切点之间的距离称为公切线的长。如果两圆有两条外公切线或内公切线，那么外公切线的长或公切线的长相等。数学上指二或二以上的曲线或曲面所共有的切线，或二圆所共有的切线。公切线
随便看	leather clothing leathercloths leathercoat leathercrafts leather crocking tester leather cue tip leather cuff leather cup leather cup washer leather currier leather cushion leather coat leather coating leather coating agent leather coating black leather coating blue leather coating bro leather coating brown leather coating color leather coating colour leather coating finish leather coating orange leather coating red leather coatings leather collagen