????????齣???????????????-?????????(2)

(??)?????????

?????????????????????С???齣???????

??°汾????????60%?????????????40%??????????

??????5000????40%???????8000??????50%??11000????60%

?齣????????????????????????????????????

lb

?????

????

lb???????????Ч???????????????????????????????????????????????????????????????????????ν????????lb??????????????????????????????????????????

8??????????????????У???????????????????

??????????л????ε????????????????????????μ??????????

(??)?????仯

?????仯?????????????棺

1.?書(shū)???

?書(shū)????????s3??s2??????齣????????s3???????????????????????????????????????????????

??s2??????????書(shū)???????齣?????????????????????????????????

2.????Ч??????

?????仯???????????????Ч??

￥???????????????????????????

s1??s2????????Ч????????????????????????????

??Щ????д????????????????????

????????

S??? 0.100

?????? 0.051

???? 0.045

????Ы 0.066

?????Ч?????齣?????????????????????仯

????????汾?齣??????????

(?)??????????

??????????????????????

???????????????????????????????????????????????????????????????????????????б仯????????????????????

????????????????????A

???????????-----??罣???-----(δ??????lb??????)-----?????????л??ε????-----?ε?й????1???????????-----?????ε?й??????????1-----?????-----????????Ч????????ε?????????0?????????ε????????0

???????B???????????cd???????????A

??B??lb??罣lblblb......???????????rb?????й????0

?????????

1???????齣?????????boss?????????????????????????????????boss???????????????

2????????????lb??????????????

3????boss??????????A????串????????????????????B????

4??s1??s2????(???????)??е??????￡?A??????串???????????