????:1???????:??200??

2??????????vx

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???????“?”“??”,??????,???????????????????????????????,????????????????????,?????????,????????????????,?????????,???(?????????)

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