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

2???????vx

3???????

4??????????

5????????

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

???11???????????????25???????????????????? (????????)“????????????,????,?????????????????”??25??????

?????????????????????7????????????????????????,???????(???????????????)?(??“????????”)????????????????,?????????????????????????,?????????????

??5????????,????????“?????????????????”???????11???????????,?????,????

“??????”??,????????????????

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

???????????,???????LED?????????????????,???????????????

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

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

??????,????3282???????????10???,????????????892???????,??????????????????????24%?(??????????????????) ?????:???