The curved focal surface produced by an uncorrected optical system, named after the Hungarian physicist and optician Józeph Miksa Petzval (1807–91). See also focal plane.
科学参考收录了60776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。