????:1?????????:?????

2????????????

3???????

4?????

5????????????

2?????????????21????????????,????????????????????????,??????????

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

??????,???????????????????????????,??34.1???,??3???????????????????49%,????51%,??93.6%,?????????????????????????????39%,???????????13%??????,?????????(???)?????????????(?? ??????????)

?:???