?? ??????????????????
????:1???????:????
2???????????
3???????
4?????????
5????????????????
??????11??????????????27? (?? ????????)11??27?????,???????8???????????????27??,?????,8????,27?????????“?????”????????????????
????????????8????????????????????????,??????????????8????,??7.61?????????????,??????????19?,????????????,???????????,???????????????“????”,?????????“????”?????????????????
????8?,???LED?????????,?????;?,???;???????,????????????;?,???????????????,????,???????????……
????????27??????,????????????????,??,??24.86????????,??????????????23?????????“?????????‘????????????,?????????’?????????”??????????,????“??????????????”???????
??27????????????????????????????????????????????,??????????,??,????;?????????????“??????????????????”?????????“?????????”????,???????,????????????????????,???
?????????,?????“????????”??????????????????????????????,???????????????????,??????“????”,???????????,?????????????????????????????,??????????????,?????????????,????????????????,?????????????????????,?????
????????27?????????????????????????????????????,8??27???“???????????????”“????”,???????????,?????????????????????,??????????????????????????????????????,??,???????,??,??????(???????????)
?????????????????????:???????