?? ??????????????????
????: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?????????????????“?”“???????”,?????????????????????????,?????????????,????????????????????????????????,??,??????????,???????,?????????????(????????????????)
??????:????