???????????? “????”??????

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

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

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

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

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

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