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

2???????vx

3???????

4??????95?98??

5???????

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

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

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

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

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

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

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

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

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

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

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