Q: What was the geometry student looking for at the beach?- g- t+ S3 z" h( O% K- N
. X0 e, L j8 W- ?A: A tangent. 4 i# [ @( v9 d* W$ n, Z% L. a6 s, J1 b6 U- {! ~5 I* q) |
tangent . q% f$ q2 V9 \; |- k+ p noun / p+ [6 x ^$ T2 U/ A( Y6 j (geometry) a straight line that touches the outside of a curve but does not cross it
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发表于 2009-4-8 12:18
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