?? “????????????”??????
????:1?????:?????
2??????????
3??????????
4???????
5???????
???11??????????23?? (?? ??)“?????????”???????,?????????,???????
?????????????????? ??????????????,????,?????????«????»??“?????”????????
????,?????????7????,???????????“??”??????????????????????????????????
???,?,???????????50????????“????????”?????????????????????????????????????????,????????????,????????????
??????????? ????“??????2003????????????????,?????????????21????????????????????,??,?????????????????,???????????????????????”??????????,??????????,????????????????????????????LED?????????,???????????,?????????????????,???25?????
???,??,???????????????????????????????,??“????????????+?????????????????????????????”,???????,??,???????????,???????,???,????,??????????,???????,???????????????????????????????????
??,???????,????20???,???????????????????,???????7.52???,???????????9.69??????????????,????????????????12????,????1???(????)
?????:?????