# ЧĤVCaS]
ڬFI(y)aУҺxSИI(y)زٵšESh(hun)R͌aЧҪߣĤVCNЧĹҺxOԽԽܵI(y)AČ]֪ĸЧĤVCaSxmԼO
## ĤVCĹԭc(yu)
ĤVCҪɞVVĤҺϵyMڹ^Һwͨ^MϿMVwwڞVW^V±γɞVڞVγɺͨ^ĤĚҺsVеҺwMDĶ˹ҺxЧ
### (yu)ݣ
1. **Ч**ͨ^ĤٴΔDЧߞVĺpٺm(x)ؓ
2. **Ԅӻ̶ȸ**FĤVCMĿϵyԌFԄMեжϵȲaЧ
3. **m÷V**ɏVڻʳƷVI(y)ˎh(hun)ИI(y)̎N͵
4. **(ji)sɱ**^ڂy^VO䣬ĤVCԄӻ̶ʹI(y)ܹ(ji)ʡɱaЧ
## ЧĤVCaS]
### 1. **A˾**
A˾ǽ20o80I(y)ע^VOаl(f)aĸĤVCԸЧQA˾ȡHM칤ˇaCaƷ|OmڶNИI(y)eʳƷͻИI(y)õˏVá
### 2. **B˾**
2000B˾^İl(f)չѽɞIȵĸĤVC̡B˾Џаl(f)F֪Ra_l(f)ĸĤVC^VٶVȷ@(yu)ݡB˾߀ṩƻ܉͑OӋmϵO
### 3. **C˾**
C˾HڞȫЈṩ|ĸĤVCaƷHڃЈN߀hNW|ρȵءC˾aOMIJϺͼg_CԺܷ(wn)cͬrC˾߀ṩƵۺ_ÑOʹ^еğonw
### 4. **D˾**
D˾ڭh(hun)oИI(y)ČI(y)ԶעṩЧĹҺxQĤVCem̎ˮI(y)Uˮ܉ЧȥˮеĹww_ŷŘ˜D˾dzҕg(chung)m(x)Ͷаl(f)IИI(y)l(f)չ
## xĤVCrע
xЧĤVCrI(y)ҪCϿ]ׂ棺
1. **̎**a̎ϵxmO̎
2. **Vϲ**ͬIJgԺĥpԷͬ|xmĞV
3. **OԄӻ̶**ԄӻԜp˹AaЧ
4. **ۺ**xۺյďSԴ_Oʹ^еĆ}܉rQ
## YՓ
ЧĤVCڬFI(y)аԽԽҪĽɫxmďSHԫ@øЧʵO߀܃(yu)|ķպͼg֧ϣĽBĎЧĤVCaSܞxṩƄI(y)aЧʺͽЧ