?? ???:?????????????????????????
![](https://image.chezhanri.com/2019/0724/20190724101216349.jpg)
????:1????????:?????????
2?????????????
3?????????
4????????
5?????????
??????????????7???26?? (??????????? ?)??????26?????????????????????
?:??,????,???????????????????????,??LED??,????????????“???”?????????????,“????????”???????????????????????????
![](http://i2.chinanews.com.cn/simg/cmshd/2024/07/26/ac22d8ef9bbe424ba985e9d0df9dce04.jpg)
??:???33?????,???????5??????????,??,??????????????,?????,?????????????,??????????????????????????????????,????????,?????,???,???????????,??
?????????“???”??,??,??????????
????????????“????????????????????????????????????????”?????????????????,????,???????????????(?????????????)
???????????:??