һ pd
xȫ>>
ǰ܇Ю
܇Ӳ1꣬l(f)F(xin)ǰ܇Юôo^һЩʲô|ҲoЧ Ԕ>>
¸ǰ܇
¸ǰ܇¸1.6MT_27KͻȻl(f)F(xin)ǰ܇1/2·(ni)rF(xin)֮ǰě] Ԕ>>
˹ǰ܇
V|Փ V܇չ Փ Փ
o܇ ˹r ˹DƬ ˹ ˹ô ˹N ˹ͺ
Ʒƣ
܇ͣ ˹
ٷr or
֮ܲ鿴܇ҵĺ܇тĻ؏Ŷ