英语词汇“公切線”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

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	dong shi Dongshi Town Dongshi Township Dong Shu-fang Dongsi Dong Sigong Dongsi Neighbourhood Committee in Beijing Dong Si Nguyen Dongsishitiao Dong Sizhang Dong Son culture Dong-Son Culture dongtai Dong-Tai group Dongtai TV College dong xi Dongxiafeng Shang walled enclosure Dongxia Forest area Dongxiang Dongxiang copper mine Dongxiang ethnic group women dongtan Dongtan coal mine Dongtan intertidal flat Dongtan of Chongming Island