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

2???????

3?????600??

4??????300?1????

5?????

???:??????9???????27??????????????,?????????????????

????,???,?????19.4?????,???????2.77?????????,???????????????0.7%?

?????:“????15.26???,???????????????”

???????????,????????9????30??,????????10??????1???,???????10?????5??,???????????????,??????????????????????????????????????????????,????

??????????????????,??,?????????????????????????????????????????????????,??500???520???????????,???

????????????? ???19??

?19??????????????,?????????????????????,???????????

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

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

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