???LED????
?????LED????????Light-Emitting Diodes?????LED???????????????????????
??????LED???????????????????????????????sink??????????????????????????????????????????????????????????????????
LED????????????????????Chip??????????????P-N????????LED??????????????????????????????????????????????????LED???????????????????200???lumen????????????????lm??????luminous flux?????????1????????candela???????????????????????????????1?LED???????????200?????????????????????????100?1380??????14?????40?????????1950???????50?????????LED??????????
?????LED?????????????????????????????LED????????????????????????????????????????????????????????????????????LED??????????50?100??????LED????????????
?????????LED??????????????????????????????????????????????LED???????????????????????????????????LED?????????????????????????????????????LED???????????????????????????????????
????????????????????????????????????????LED??????????????????????????????????????????????????LED??????????????????????LED??????????????????????????????????????LED??????????
???????????????LED?????????????????????????LED?????????????????????????LED?????????????????LED????6???????????????????????????????????????LED?????????????????????????????????
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