??????????????????

????:??????????:???300????????

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

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

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

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

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

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

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

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

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

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

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