???????????????а??????С?????????????????????????????????????????????????????????????в????????????50???????????????
С??????????????????11??
????????????????????11??
??????????????
??1??????????11??
??2????“???”????д????????????5??????4??
??3???????????????????10%
??4???????????????????10%
???????????????
??1??????????11??
??2??????????????????????????????????????????30%
???????????????
??1??????????11??
??2???????????????????????????????????????????????25%
?????????????
??1??????????11??
??2??????????????μ?????????????????????????????20%
???????????
??1??????????11??
??2??????????????????????????????????????????????10%
????
????????????????????????????????????????ù??????????????????????ɡ?
????????????????????????????????????????40407???????40407????????
