?

??? ????
?????????????Щ??????????

??

?B? ?3Ρ?B??????????
?E ?400Iu??????
?F ???й

????
??????е????С???????к??á???????31???е??????3???????????????ΧС??????????????Χ??к??????л???????????????????е??????????θ????????Ч?á

??? С()????????????

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

??????????

?????...

??? ????
?????????????Щ??????????

??

?B? ?3Ρ?B??????????
?E ?400Iu??????
?F ???й

????
??????е????С???????к??á???????31???е??????3???????????????ΧС??????????????Χ??к??????л???????????????????е??????????θ????????Ч?á

??? С()????????????

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

??????????

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

?????
????鰷??
簲?????С??
????????
??????????
ú????
Щ??м???鳤??
????????????

????????????????????????????飬?潨?????????

??(??)???λ???.???,?,汻м?,в???.,???Що???,???,?ο?.
????:
1.??????,?,汻м?.???λ?,?в;
2.?÷??,ü,,?,,,???μ,?,?,???????λ;
3.???????;
4.????1,???,?,ü估??,????,л.
??:
1.÷??,???????;?м?,??;
2.?÷??????λ,?,漰?;
3.,鲻???.
?????
?,?: 1.?B2,B6??B; 2.?,??; 3.??Χ???????.
4,?:????,,?,?.
????
1.???B?.?,?1-2?鰷?;
2.??????????...

?
?????????????????????
??
12040????
2÷????????С????λ?
3?????????λα???????п?м
4?????????????λΣ?????
5?????????
顿???????????γ???????Χ??
?
1?
(1)·???????????λ??0?1??(?)?濵?()?2Σo04???l2Ρ
(2)?????????????????(?)???
(3)??????????÷???Σ??á005±?(???)??0?05???...