???? “????????????”??????

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

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

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

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

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

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