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单词
lumen-hour
释义
lumen-hour
lumen-hour
[
′lü·mən ¦au̇r
]
(optics)
A unit of quantity of light (luminous energy), equal to the quantity of light radiated or received for a period of 1 hour by a flux of 1 lumen. Abbreviated lm-hr.
随便看
i see
i-see
isee
i see a great need
i see a lrpdism
i see dead people
i see dumb people
iseee
iseees
i see in you
i see, i see
iseek
i seek you
iseel
iseels
i seem to recall
i seem to remember
i see no x here.
iseeo
iseerb
isees
"i see," said the blind man
i see said the blind man
i see," said the blind man
iseet
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更新时间:2026/7/16 9:51:38