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

2????????

3?????????

4???????

5?sn???????

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

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

9????,????????,??????“???????????????????360????”??????????????,??????????????360?????????????????????,????

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

???????,????????,???????????????,??,?????3C?????????,????????????????6???????????????,??????????????????????????1000??????

??? ??:10????16??????????3C???,??,???????100%???????????????,???60%?????

?????????? ?????:????????????,?1:3,3C????????1:10?

?????????????,??????,????????1.2?????????,????????????8????????????,??1.5??????????????? ?????????:????????