????:1????????95??98?:??????

2?????600

3????????

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

5?????????

???????????????? ??????

?????6??20??? (????????????????????? ?????????????????? ???????????)20????????????????,????,???

?(?,????),??????????????????????????????????????????????????????1????????????????3?????????,??????????????,???????????,?????95%???,?????????????????18??

18??????,??????????,???????,???24???????80????,??????????1????????,?????20?????????????,????12??????????

“????????,???5%???????????????????,???????20%30%?”??,?????,???

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

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

“???????,????100?????????????????”??,“?????”(????????)

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