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	Owing to lack of support the scheme fizzled out owing to old age owing to postal delays Owing to sabotage Owing to sabotage,a train jumped the rails Owing to sabotage, a train jumped the rails owing to the fact that owing tuition fees Owiny OWI Office of War Information owir owise Owitse OWIU Owix owk Owkal owl owl' O-W-L O.W.L owings Owings Owings Mills Owingsville