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

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

3??????????

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

5?????????

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????????????????????6????12??????? (????????)??,?????????????,???????????????????????

?,?????? ?????????????????? ??????

??????????????,??3??????????????????????????????,????,“??????,??”?

“3?????,???,?????,??????”????????????20????????????????????????“?????”,?,???,?????????????

??,??????,??????60%???????????????????????,“???????????????????????????30%”?

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

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???,??,????249.13??,?????6.7%???????????????,???????????????23.43?????????????????????

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