????????????????????????12??????21???(?????? ???????????)21??,??3???????????????????????,“??????????????”??,??

12???21???,????3????????????????????????,“???????????”??? ? ??????

??????????????“??????????????”,?????????????????,??,??????10?????????????????????????????,????????????????????????

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

???????????“??”???? ?????????????? ????

?,????????????????????,“?”?????????,????????1000??????????,????3000??????????????

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

“???”??????,???????? ?? ??????

???,??????????????,?,????????“???+??”??,??????????????????120????????????????????????,???????????????????????????????????,????????????????,??(??????)

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

?? “??????”?????? 12?21?????

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

2??????????

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

4???200?2??

5????????

????????????????????????12??????21???(?????? ???????????)21??,??3???????????????????????,“??????????????”??,??

12???21???,????3????????????????????????,“???????????”??? ? ??????

??????????????“??????????????”,?????????????????,??,??????10?????????????????????????????,????????????????????????

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

???????????“??”???? ?????????????? ????

?,????????????????????,“?”?????????,????????1000??????????,????3000??????????????

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

“???”??????,???????? ?? ??????

???,??????????????,?,????????“???+??”??,??????????????????120????????????????????????,???????????????????????????????????,????????????????,??(??????)

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