????:1?????????100?????:????????

2???????????

3???????

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

5???????????

??2?19??? (??)2?19??16??????,???????????333???????????????????27.97?????????“???”?????????????,?????????14???,?????332.93?????????????,??????31.5%?

19??????????,??“?????????????????”????? ? ??

??,??????????????????,??????????2??????30??????????????????15?,?????,????????????????????????????????????1200????/????????1500??/???????

“?????,???2???????,????????????????????????12??????????”????????????,??????????24??,??????????,??????,??,?????

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