什么叫半径什么叫直径
1 one11 eleven21 twenty-one2 two12 twelve 22 twenty-two3 three13 thirteen 23 twenty-three4 four14 fourteen 24 twenty-four5 five15 fifteen 25 twenty-five6 six16 sixteen 26 。
有人告诉我 radii 和 radiuses 这两个在写论文的时候 用那个比较好
radius[英] [ˈreɪdiəs][美] [ˈrediəs]n.桡骨; 半径范围; 半径(距离); 用半径度量的圆形面积;[例句]Nigel has searched for work in a ten-mile radius around his home。.
1 Α α alpha a:lf 阿尔法 角度;系数 2 Β β beta bet 贝塔 磁通32313133353236313431303231363533e59b9ee7ad9431333236393739系数;角度;系数 3 Γ γ gamma ga:m 。1-25的英语单词依次表示为:one,抄two,baithree,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,twenty-one,。
圆心英文表示Circle Center;半径英文表示radius;直径英文表示diameter。
0 zero 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 。