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

2?51??????

3????????????

4???????

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

6????28????????????????,????“????????????”?????????,????????????????,??????“???????????????????????”???????

“???”?,???????4?????????????????????,??4?,????,?????10000??????????????????,??,????????????“???????????”?????

????,??“?????????????????????”4?????9.6????????????????????,???????????????????????4.2???;????,???????????????????????????(???????????????????? ????????? ??????????????? ????? ???)

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