最終更新日:2024/06/26

(physics) lumen (SI-unit for luminous flux) / (anatomy) a lumen (cavity within tubular organ)

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(physics) lumen (SI-unit for luminous flux) / (anatomy) a lumen (cavity within tubular organ)

The luminous flux of this light bulb is 500 lumens.

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(physics) lumen (SI-unit for luminous flux)

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(anatomy) a lumen (cavity within tubular organ)

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