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

2??????50???

3???????

4???????

5?????????

?2??????21? (???????????? ?)?????20????,?«??????????»???????????????????????????????????7?????????????????????????,??????

???,?????????????????????????????????????,??????????????????????????,???????????????????????????????????????,??????,??“?????????”??????

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??????,??????,???????????1??????12????????????????????97%?

???????????????86????????????????????????????????

??2??????????????1?,?,???25%??????,????10%????????????????????2??????????????????????3????,??????,???,??????????30?????????????????????2???????????????10??,????????????????3???????????12????????????????25%??????????????????????????(??????) ???:??????