“二十天”概念、定义、翻译-科学时代

单词	二十天
释义	宗教词汇手册二十天〈佛教〉twenty devas
随便看	lens barrel lens-barrel camera lens blooming lens-board lens bore lens centre lens combination lens cone lens-corrected horn lens covering a small angle of field lens curvature lens diaphragm opening lens distortion lens doublet lens field illumination lens flange lens formula lens-grinding machine lens holder lens hood lens jacket lensless aperture lensless Fourier hologram lensless Fourier transform hologram lensless matched filter

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。