????:1?95?:???????????????

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????????????????,???????????????????,???????(??????????????????????????) ??????:???