????:1???????????:?????????

2???????

3??????

4?????????????

5?????????

?2????????????????5???????? (????????????????????? ???????????)???2?????5??????????????,??????(1???????????????????28??????2????????????4?????????????????????),????????(??????????)?????????47????2.7??,??110%?

1?????????27???????????,?????????????????????? ??

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????????????????????,????????????,?????97%,????????????,???????????????????????????????????????????????????

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