?? ??????????????? “????+??”??????
????:1???????????:????????
2????????
3????????
4??????????
5?????????100????
????????:????????????????????,10????????,????????????????????????,?,???????????,???
10????,??????????????????,?????????????????????0.7?????????????,10????,?????????9??17.1?????
?????10????????????,??41?????????????????????,?????????27??????????????9????????????,??,??????????????????9??????????????22.3????,????????????????17.8???????????????????????,??4.5%,???????????????
????,10?,??12.9%,??????1.9????????????????????????,??????????????????73.3%?48.8%?
???????????:“?????????????,??????????????,????????????????,????????????????????,?????????????????????,??,?????????????”
?????????????????:??????????????????