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光
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光
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理学
光
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light
光
在物理学中指的是各种波长的电磁辐射。但通常说的光,常狭义地指能引起人眼视觉的波长介于400~760纳米的电磁辐射,即可见光。广义上说,光包括各种波长的电磁辐射,其中有无线电波、微波、太赫兹辐射、红外线、可见光、紫外线、X射线、γ射线。
Physics
光学、声学
光学
light
光
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three-level laser
three-level preservation System
three-level prevention of disease inmilitary
three-level prevention principle
three-line-array scanner
three line array stereo mapping camera of ziyuan-3 satellite
three-line relaxation
three lines and eight angles
three lines and four districts
three lines and one list
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Three Lives
three luminary set
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three mandatory training
Three Mao Perfect Sovereign Brothers
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three methods of ethics
Three Methods of Ethics: A Debate
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