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单词 θ76417
释义
the world > matter > physics > electromagnetic radiation > light > reflection > [noun] > reflecting device (2)
reflector1777

An object or surface (typically of metal or glass and of a curved or concave form) that is designed to reflect light, heat, or other form of…

retroreflector1949

A device or instrument which reflects light in such a way that it travels back along the path it took prior to reflection, irrespective of the angle…

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更新时间:2024/12/23 18:08:43