“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	permissive cell permissive condition permissive stop permittivity Permo-Carboniferous perm-plug method permselective membrane permutation permutation group permutation matrix permutation modulation permutation table permutation tensor pernetti pernicious anemia pernicious malaria perniosis Perognathinae peronine Peronosporales Perothopidae perovskite peroxidase peroxide peroxide number

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。