????:1????????:??????80??

2?????V

3????????

4?51?????????

5?????????????

??7???26?? (?????????????? ????????????????)??????????26?????????????

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

???? ? ??

??????????????:??????????????33???????????,?????????????????5????????,?????,?,???????????,??????????????,????????????????????,?????,?????????,?,????????????????????,?????

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

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

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