????:1???????????:??????

2?????????????

3???????????

4???????

5?????

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

?????75???????????????,???????????????????????“????”?????????,??????;?????,1????????;???,????????????,???,??????????70???;???????????????????,?????????“?????????????”????????????,????????????

???????????,?????????????????,???,??;?????,?????????????,??????????;???????????????????,??;???????????????,????“?????”??,?????????5???,????????????,??????????????;??????????,???????????????,????????

???????? ????

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

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

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

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

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

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

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

??????????????? ??????????????

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