һ pd
xȫ>>
бҪbһIӆ
һI Ԕ(x)>>
¸˹bһI
λмbһIӵĆŶb ծa(chn)܇BꖹⶼһIʲôصďSҾͲo˹bһ Ԕ(x)>>
˹һIӆ} ˹һIӶX ˹һI ˹һIô ˹Л]һI ˹һIӮ ˹һIӟo耳M(jn) ˹һIʧЧ ˹һIӟo耳M(jn)
V|Փ V܇չ Փ Փ
o܇ ˹r ˹DƬ ˹ ˹ô ˹N ˹ͺ
Ʒƣ
܇ͣ ˹
ٷr or
֮ܲ鿴܇ҵĺ܇тĻ؏(f)Ŷ