?? ?????? ???75?????????????
????:1???????????:??????????
2??????????
3??????
4????????
5???????????
???:??????,????????,?????????,?????
??????????75??????????????,?????“??”?????????,???;?????????????,1????;??????????,????,???????????,??????70????????;???????????????,?????“?????”??????????????????????,?????
????,???????,?????,????;???,????,???????????????;????,????????;?????,?????????????????“????????”????????????,????????5????????????????,???????????????????????????????????????????,??????????????;??????,??????????????????????????????,?????????
?????? ??
????????,???,??????????,???,??????????????
?????????:?????????????????
???????????????,????????,?????????????????,???“???”????????,???????????????????????“??????????”?
?????:????? ????????
??,?????????????????,????????????,?????LED????????????,???“?????????”????????????
??????:????? ??????
???????,???????????????????,?????,??????????????????
????????????????? ???
?????,?????,?????“???????????”,?????????,??????????????????????????????,??????,????? ???:??????????????