ASH-601.indd
8, H&M Forever21GAP 11 7, 6, 5, F % 1% 2% 3% 4% 5% 1, 9, 1, 8, 9, 7, 8, 6, 7, 5, 6, 4, 5, 3, 4, 2, 3, 1, 2, 1,
,.,. 2, R 2, ( )., I R. c : I R 2, : (1) c C -, (2) t I, c (t) (0, 0). c(i). c (t)., c(t) = (x(t), y(t)) c (t) = (x (t), y (t)) : (1)