????????????????11?????????27????????? (???? ???????)11??27??????????????,?????????????8?????????????27?????????????????????,?????????????,8??????,27?????“???????????????”?????

??????????8?????????????

???????????,????????8?,????7.61???????????,??????????????19????????????,????,??????????????????,?????????“????”,?“??”?????

????????8????????????????,??LED????????????,????????;??????????????,??;?,????;???????????????,?????,???????,???????????????……

??27???????????,??,???????????,???24.86???,????????23?????“?????‘??,?’????????”????,??“???????”?????????

???27???????????????

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

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

?????27??????????????????????

????????,8???27???????????“??????????”“???????????????”,????????????????,???????????????????????,???????????????????????????,?????????,????????????????????,???????,??????????(???)

?????:?? ??“?????”

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

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

2???????

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

4????????????

5?????vx

????????????????11?????????27????????? (???? ???????)11??27??????????????,?????????????8?????????????27?????????????????????,?????????????,8??????,27?????“???????????????”?????

??????????8?????????????

???????????,????????8?,????7.61???????????,??????????????19????????????,????,??????????????????,?????????“????”,?“??”?????

????????8????????????????,??LED????????????,????????;??????????????,??;?,????;???????????????,?????,???????,???????????????……

??27???????????,??,???????????,???24.86???,????????23?????“?????‘??,?’????????”????,??“???????”?????????

???27???????????????

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

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

?????27??????????????????????

????????,8???27???????????“??????????”“???????????????”,????????????????,???????????????????????,???????????????????????????,?????????,????????????????????,???????,??????????(???)

?????:??