?? ?????????????CCER???????
????:1??????500??:?????????
2????????????
3??????????
4???????3??????
5?????vx
??9??25?????????? (?? ??)????CCER????24??????????????,?????????????,??????????????100??,???????????
?????? ???????? ??????????????,?????43.8??????,??5.8???????????????,??20??,??116???,??9280????????,?????????2000???????????????CCER?,??
?????????????????????,???????,???,????????????,????????????74.54????????????????????7.66?????????,??27??,?????????????????????????????????16??,????27.22%,???89.36%,?????98%??,??,??????,??????????????????“??????”????????????????????????????????????????????????????????????????????????“??”?????????????????????????
??????,??,??,?????????????????????????,????????????,???“??????????????????????????????????????,????????,???????????????,???????????,??????????????”????????????????????(???)
??????????:??????????????????