???????25???????,??“???”???????470?????,??????????80%???????????

?????,??????1999?470.2??????????????????,??????????????????????????????????????,???????????????????????,??100%??????,?????????????????????????????????????????

??1?,???5000??????,?????99%?

(??? ?? ????)

??????????:????????????? “??????????”_????

?? ????25???????? ??????80%??

????:1???????????:??????v

2????????

3????????150???

4??????

5???????????

???????25???????,??“???”???????470?????,??????????80%???????????

?????,??????1999?470.2??????????????????,??????????????????????????????????????,???????????????????????,??100%??????,?????????????????????????????????????????

??1?,???5000??????,?????99%?

(??? ?? ????)

??????????:?????????????