????:1???100????:????????5??

2???????app??

3?????

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

5???????

???????11???????23??????????? (???????????????? ???????)“???????”????????????,?????????,?????????

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

????,??,???????«??????»??????????????“??????????????????????????”??????

??,??7????,??????????????????????“????”????????????????????????????

???,????????,????50????????“??”??????????????????????????????,???,??????????????????????????????

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

“???????2003??,??21????????????,???,????????????????????,????????????????”??????,???,??????????????????????????????LED??????????,??,?????????????,???????25????????

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

????????,????,???????????20?,???????????????,???????????????????????7.52????????,?????????9.69??????????,????12????,??1???????????(????)

???:???