UID:306831
UID:309032
UID:309440
UID:303891
UID:229853
UID:299015
UID:307955
UID:310167
UID:309095
maiwudi:CRVT表示面的曲率,可以设它为变量,曲率半径也就变成变量了。曲率半径=1÷曲率。 (2017-05-07 14:19) ^v!im\ r