“Steinheil lens”的概念、定义、翻译、参考文献-科学参考

单词	Steinheil lens
释义	Steinheil lens [`shtīn´hīl ´lenz] ^OPTICS A type of magnifier lens in which a biconvex crown lens is cemented between a pair of flint lenses.
随便看	airport light beacon airport surface detection equipment airport traffic airport traffic control tower air position air-position indicator air preheater air pressure air-pressure drop airproof air propeller air properties Air Pump air pump air puncher air purge air quench air raid air-raid shelter air receiver air register air regulator air reheater air release valve air resistance

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