Q: What was the geometry student looking for at the beach?9 s" c/ o, o( b
5 S4 `3 S: E# u
A: A tangent. ; E2 d8 S' ]: t7 J
; v/ e6 r9 Z! ftangent 9 X; f/ p. n8 y- D noun/ Y8 @( `3 w0 c' G7 m/ x
(geometry) a straight line that touches the outside of a curve but does not cross it
狗仔卡
鲜花(
鸡蛋(
发表于 2009-4-8 12:18
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡