????:1?????????:40???????????

2????????

3??????

4??????????

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

2??21????????????,?,???

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

???????????,?,???????????????34.1??????????,??3????????49%,?????????51%,???93.6%,??????????39%,???????????13%??????,??????????????????(??????)???????????????(??????????????? ????????????????????????)

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