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

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

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

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

“??,??”????????,???????????,?????????

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

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

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

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

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

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

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

2????????????????????11?????????,???????????,“?????”?? ?

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

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

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

??

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