ɺһǶLBeȻζL
CASE1ᎧL(fng)ײ(f)L(fng)顿
(dng)ᎧL(fng)ײϏ(f)L(fng)njᎧĝG߀nj(f)ŵĜɣɫõǃɷNкͣϳʬF(xin)ķ·ӛеij(g)Ꭷ߅Ϗ(f)L(fng)PҼҾ@oӛc(din)c(din)εε
CASE2w^С
ۯBĉ(d)صwУ扦w{(ln)ɫĉ{(ln)GɫĉǾG͵ɽ}þGɫ̺(yng)(g)MͯԒеȻϢƽ֦l(f)Rܣʮ֜ȻɵO(sh)Ӌ(j)˼
CASE3ɫڵİɫy
oͨļɫځc(din)һӵc(din)YډDz֣ðɫճ^ļy@ӵܺõcһԵĒ(yng)ʹwںϡ