(??)?“?????”????????:??

??

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

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

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

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

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

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

??,???????????,“????????”?????????

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

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

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

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

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

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

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

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

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

?????????

?????(??)?“?????”????????:???????

????????