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

2?400??3???????

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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