“actinic achromatism”的概念、定义、翻译、参考文献-科学参考

单词	actinic achromatism
释义	actinic achromatism [´ak`tin·ik ´ā`krōm·ǝ´tiz·ǝm] ^OPTICS 1. The design of a photographic lens system so that light sources at the wavelength of the Fraunhofer D line near 589 nanometers and the G line at 430.8 nanometers are focused at the same point and produce images of the same size. 2. The design of an astronomical lens system so that light sources at the wavelength of the Fraunhofer F line at 486.1 nanometers and the G line at 430.8 nanometers are focused at the same point and produce images of the same size. Also known as FG achromatism.
随便看	physical data independence physical data structure physical device table physical electronics physical exfoliation physical forecasting physical geography physical geology physical input/output control system physical law physical libration of the moon physical measurement physical medicine physical metallurgy physical meteorology physical oceanography physical optics physical organic chemistry physical path length physical property physical realizability physical record physical residue physical stratigraphy physical system

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。