???￥е

￥??????г??￥е???У??2???л??????1????л???????л??????2()??н????俪?????а?????人9г???￥е?????￥е??????屩

?

?￥???

??1??????????λ???λ()???(?????)??ò???????????3????????3?????????????л?1?(?????)?н???????????????人??????????????????????????????????

й?о??????г?????Уδе?н??????????о????????????

??????????г????????????Ще??г?Χ?25?涨??????Щг??



￥е?????

???9?????15????У??з???С????8·У9???о??С

???8??μ?????30%?????40%-60%·?????????(??佨???)????????

????桱?Ρ??????????5???д??(??)?ж￥й????

???9???￥е??????15?п?μ??С????βδиз???

?

?￥еμ??

￥е???г??′??4.21%????з?μ9.91%μ9.37%?A6.72%Aμ6.08%?6.54%??5.89%

?????????????ˉ?г??????????顰???λЧ????????????????Σ?÷?г?????гЧ?/ ?

??