??
?????2??12???????????(?)???????????????,?????????????,???LED?……??,?????????,????????
?,????????????“???????????????”???????????«??»,????“???????????????????????????????????,????????????????????,?????”??,???????????????
2????????????????????12????????????????????,????????????“???”??????,?,?,???????????????????,??????
“?????????,??”????????????????????,????????,?????
??,???
??????????,??????????????????????????????,“??”????????
?????,??????,?????????????12???????????,??????
?,“?????????”???????????????,???????????????“????????????”??????????,?????“?????????????”,???????
“???????????????????2????????????????,??????????”??????,?????,????????,?,??
????????????,????????????????????????????????????????……?,???,?????????????,??????????
????????????????,?????????????,???????????,???????????????????????????????;?????“?????????”???“???”?????????????????,????,?????
????????????,????????,??(?)
????????????:?????????????
?????(??)?“??”?????:?????????????????????