“Lummer-Brodhun sight box”的概念、定义、翻译、参考文献-科学参考

单词	Lummer-Brodhun sight box
释义	Lummer-Brodhun sight box [`lu̇m·ǝr `brȯd´hu̇n `sīt ´bäks] ^OPTICS A device, having a series of prisms, for viewing simultaneously the two sides of a white diffuse plaster screen illuminated by light sources whose luminous intensities are being compared.
随便看	normal-plate anemometer normal polarity normal potassium pyrophosphate normal pressure normal probability paper normal projection normal range normal ray normal reaction normal ripple mark normal saline normal salt normal salt solution normal section normal segregation normal series normal silver sulfate normal slip fault normal soil normal solution normal space normal spiral galaxy normal-stage punching normal state normal stress

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