????:1?????????:?????????100??

2???????

3?????????????

4????????????

5???????

???2???????????????????????14??? (???????????? ?????)??14??????????,??2???8??????,??50????????13?????,??5.3??????,????????????75%?

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

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

??????????,??????????????770?????????,?1???????????????????10??????1?????22.5??6?????,?????????,?????????

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

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

?,??????????????????3?,????7500???,?????????????95%???????????????,????????????????

????????,???????????????96.8%,????????????2.2%,?????1%,?????????

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

????:??????