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

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

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

(?????????? ???????? ???)

??????:??????? “?????????”????

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

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

2???????

3???????

4??????

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

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

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

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

(?????????? ???????? ???)

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