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

2?????????????

3?????200?

4??????3000?

5???????

????????????2??8???? (??????????????????? ???)?????????????????????,???????????????????????????????“???”????,???????????????????????“????????????????”?

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

??8??,????7????,????240.9???????????????????????????????????????????19.28%;??????????259.2????????????????8.18%?

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

??????????????,????????????????,?????????????????????,????????60%?????90%?

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

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

?,?,16?????????????5????,??????,??????????????????????????“????????”,????????(???????)

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