“afocal lens”的概念、定义、翻译、参考文献-科学参考

单词	afocal lens
释义	afocal lens [`ā·fō·kǝl `lenz] ^OPTICS A lens of zero convergent power, whose focal points are infinitely distant.
随便看	gravitational displacement gravitational encounter gravitational energy gravitational equilibrium gravitational field gravitational-field theory gravitational flux density gravitational force gravitational geon gravitational gradient guidance gravitational instability gravitational lens gravitational mass gravitational potential gravitational potential energy gravitational pressure gravitational radiation gravitational radius gravitational redshift gravitational repulsion gravitational settling gravitational sliding gravitational systems of units gravitational tide gravitational water

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。