??????? ??????????????? ???????????????
??????????????????????????????
1????????
?5????????Χ???з???????????????15%????????????????20%?????????Ч??????10??;
2????????
?5????????Χ???з???????????????15%????????????????(???????????????楨???λ???????)2??;
3????????
?5????????Χ???з???????????????15%????????????????50%?????????Ч??????3??
????????????????????????????????????????40407???????40407????????
