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

2????????

3???????????

4???????

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

???????????12???19? (??????? ????)??,?????????????????????“???????????”?????19?????????????????????????????????????100????,??????????5.4?????????,?????????????20??3??,???

12?19?,????????????“??????”???(?)

12?18????????,?“?”??23?,???,?“???????”??,?????

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

???12?????????19??,???4.3?,?2.5%,?????????4.5??,???

???,??????12???????19????????????,??????????????????????8.5???,????19.2%;?403.8?,???????22.6%,???(????????????)

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