?? ????????????:????
????:1???????????:??95?
2???????????
3??????95??
4??????
5?????????
??????????12???20??????(???????????????????? ????????)“?????????,?????,??”20?????????????,?????“????????”(????????:??)??,????????(??)????
???????,????????????35.4%,???????????????,????????,????????????,????????
??,???,?????????????????????,???????,?????????????????????????????????????????,?????????“??????????”?
????????,????????????????4A??,???????,???????????????????“???????????”,?????????????????
??????????????????????????,?????????????????????????,??????“???????????????????????????”???????????????,????????????????
“???”“????????”“???”……?????????,?????,???????????,????????100??????????????????,?????????????
??,??????,??????????????????,????????????
??????,????,?????????????????,????????????????,???
????????????????“??????????????1.5?????????????????????????,????????????????,?????????????,?????,????”??“?”?????
?????????“????????”,?????????????“???????????”???,???????????????????,???
??,??400????,??????????“??????????????”?????????,?????????????????“????”??????????????????????,???????,?????????500???,??150???,???????????60???????????????,?????????,?????????
?????????????????????????,??????????????,?????????????“???????????”??????????????????????,?????,??(??)
?????????????:????