?? ??????????????????
????:1???????:??????
2????????
3??????????
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??“???????”“??”,???????????????????????,???????????????????????,?????????????????????????????????????????????,????????,??,??????????????,??(??????)
??????:???