?? ???? ?????????????????????
????:1???????2000?:??????????????
2?????????
3????????????
4?????????
5???????????
??????????,??????,?????????,????????????,????????????,??????????“????”???,???????????????“?????????????+??”???,????????????????????????,??????????????,??????????????????????????,????????
??,?????????????,???,???????????????????,?????????
9??,?????,?“????360???”??,??????360???????????????????????????????,????
???????????????????,????????,???????????????????????????????,????????
???????,????????????????????,????????????????????????????????,????????,??????3C??,??????????????????????6???,?????1000??????
?????? ??:10??16??????3C????????????,????,???100%??,???????????????60%????
?????????? ???:?,????????1:3,3C????????????????1:10?
????????????,?????????,????1.2?????,???????8?,??????1.5??????????????? ?????:?????