IҹXϽl
l(f) O(sh)
+
r(ji)55 Ԫ
ҹXϽl LЧ
r(ji)18 Ԫ
ҹXll(f)Xl
a(chn)Ʒc(din)1ڰ̎l(f)(qing)(jng)^̕r(sh)gտҊڰ̎l(f)ɢָʾ2l(f)Ҫꖹߔ(sh)ͨ鼤l(f)l3ٶȿl(f)m(x)r(sh)gLֻͨ5-10犿ɳm(x)ڰ̎l(f)10Сr(sh)ͻl(f)¹Ϣָʾ4b