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

2?????cs

3?????QQ?

4????????

5?????????

?????????????????11?27????????? (?? ??)11?????????27???,?????8??????????????27???,??????????????????????,8?,27??????????“??????????????????????”???

?????????8?????????????????????????

?????????,???????????8?,??????????7.61?????,????????????????????????????19?????,???????????????,??????,????“???”,???????????“??????”?????

??????????????8??????,????????????????LED?????????????????,???;??,??????????????;??????????????,?;????????????,???????????,?,?????……

????????27???????,????,??????????,????????????????????24.86????????,????????23????????????????“???????‘??,??’????????”?????????????????????????,??????“?????????”???????????????

????27??????????

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

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

????????????27????????????

????????,8???????????27????????“??”“????????”,?????????????????,???????????????????,??????????????????????,?????????????,???????????????,??????????????????,???(??)

?????????????????:???????