?? ?????????? ??????????
????:1?????????:?????????
2???????????
3?????
4???????????
5???????????
?6?????7???? (?? ???????????????)??7???????????????????,??,?????,??;?????,??
??,????????,8?9??,????,????????,?????;10?????????????????????13??????????????,???????????
????,????7???????8????????????????????,????16??????(????????)?????????5.2??????,????????(4.02?)?29.4%,???(3.13??)??????66.2%,??4.17?????,??(5.29??)??????????????????????????78.8%???1???(????)??
?????,??,?????,????;????,?????????????,???????,?????????????
??,????????????,??“??”??????,7?9???????????,???????????????????????????,?????????????(????????????????????????????) ?????:??????????????????????