???

1.??
2.?????
3.????
4.????
5.?ó?
6.??
7.??
8.

????????????????洦?衣

??溬з?????????ж?????????????

??1280????1080?

???????С???????л????????Щ?кй????

о???Щ?????Щ???л???лУ?????????B6?е????忹????

?????????

???

1.???????????????????á???????ɡ?????

2.????е??????ü???

3.?裬????ù???????÷? ...

?????????????????????? ?? Ч

? ???????????????????????????????????????? ?Щ???????κл????????????????? ???ε???????е???????и????\"\"?????м??? ???\"?\"\"?\"??19???\"?\"?磬\"?\"?????\"?\"???????????????????? ??????????????л?????溹???????????????γ???? ??????????е?????????С?????????????1520???????? ??????????????????沿?????????? ????л???...

?????????????м????裬÷??????а???緢?伮??硱?累??????????????????????????γ???????1.??????2.???3.????4.?????
??Ч????á???????棬к???????????????????Чá
???????????15??γ??Щ??????·????????????
???????????C?A?B???????2%?2%????
?з?????????????????????????????


?????.
?
??...?..
?w??t?
,?...
??`
???
?????????????...

λ??????????????
???,?,???,??????????С?м???裬???С??????м????й?????С??????????????

????:
????

????????仯???????????Ч???????????Ч??????????????????????????

??????????飬??????????????????裬????40?

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

??δ????????λ???????γ???????????????????????·?????????????Ч???...