ʹÓһҪעⰲȫʹǰЩ(xing)ҪעһoՓʹϣ߀ʹ÷Լ淽϶Ҫ҂(x)P(gun)עôwf^ҊĆ}Щ҂́
1.Ób֮ǰ(yng)Ó^YԳȥ\(yn)ݔbж^Юa(chn)ķۉm
2. b^ֹ_̤Óľ|όM(jn)(ni)Ϻ͙zbr
3. (yn)֔(jn)wҺwM(jn)Ób(do)M(jn)ˮrˮǰɫˮx
4. ʹÌI(y)bߣж.Ϲ粼(yng)ԄD(zhun)ʹܾbڷ(yng)(yn)֔(jn)gijһ̶λÓԷֹb
5. Ӌ(j)ÿbÓ(yng)֞ɌӻbÿӸ߶1ߏ2.0-3.0ף2.5ң
C҂ԿÓʹ֮ǰһҪώc(din)ʹгF(xin)һЩҪ韩