????:1???????50?:???????

2?????qq?

3???????

4???????

5????????

?????????????????:??????,???????????,????????????????????????????,??????

????75????????????????????????,??????????“??????”???????????,???????????????;??????????,1????;???????????????????????,??????,????????,????????70???;????????????????????????,?????“?????”???????????????????????????,??????????????????????

????????,???????,??,???;??????,????????,???????????????????;????????????,????????;?????,?????????????????“??”?????,????5???,??????????????????????,?????;?????,???????????????????????,?????????

??????? ????

????????,?????????????????,????????,?????,???????

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

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

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

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

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

????????,??????????,????,????????????????

???? ?????

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