“???”????? ?????????????????

????:?????????:??????a5????

????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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