??2????12????(???????????????????)??????,??????,????????LED???????????……??,????????,???

??,?“?”?????«?????????????»,?????????“??,????????????????,??”???????????????,?????

2????12?,????????????“??????????????”??????????????,??????,?????,?,?????????????

2????????????12????????????????,?????????? ?????????????????? ???????

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

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

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

??,???????????????????????,???????????????????12????,?????

2???12?????,“????????????”?? ????????????

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

“???????????2?????????????????,???????????”?,????????????????????????,????????????????????,???????????????,??????????

?,????????????????????……??????????,??,???????????,??

2?????11????????????,?,“?”??? ?????

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

????????,????,??????????????(???????????)

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

??

??:???????????,??????????,??????????????