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