????:1???98????:???????

2????????

3?????SN????

4?????????

5?????????100

????????????,?????????????????????

?,10?????4.1????????????,????4.6%???38.9?????,????????????????????1.2%,???????

???????????????? ??????:????????????10??????,???????????????????????3489???????????????,????74.3%??????,???8?????????????,??????????????,????,?????

??????????? ??????????????

??????,???????????,???

?????????????,???????????,2??????????40??,???????????????7??????????????????????????????????????3600??????????????,????????????????

?? ??????:????????????,?????????????8?????????????15????,???????5.3???????????????????,?????????????????????????????,???????????????245.2??,????30.22%?

???,??????????????????,???????????????????????????????3??????????????????????,??1?????????

?? ?????????????:????????504.67?????,??50?????15???????

???????????,10???1328??,??????????????????????,????????6900????????????????,??????3.7%;?????????????????2.1????????????,??????????,????????????????37????????????

????

???,??????????,?????????????????

??,?????????????????,?????????,??,????????????????????????,????“??????????”?????????????,????5%~10%?

?? ???????:?????????,??????,?????????????????????,???

???????,????10. 7????,????90%?????????????????,???????,??????????????????????(??) ???????????:?????????????