???????????? “????”??????

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

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

??? ?

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

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

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

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

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

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

???????:???