“symmetrical lens”的概念、定义、翻译、参考文献-科学参考

单词	symmetrical lens
释义	symmetrical lens [sǝ`me·trǝ·kǝl `lenz] ^OPTICS A lens system consisting of two parts, each of which is the mirror image of the other.
随便看	gunpowder paper gun pressure gun reaction gunsight gunsight computer gun silencer gun slide gunstock gun stoppage Gunter's chain gun turret gun-type burner gunwale Gurevich effect Gurney formulas Gurney-Mott theory gusset gusset plate gust gustation gustatoreceptor gust-gradient distance gustiness gustiness components gustiness factor

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