“aperture ratio”概念、定义、翻译-科学时代

单词	aperture ratio
释义	广播影视词汇手册 aperture ratio 孔径比；宽高比（投射到屏幕上的图像的宽度和高度之比）
随便看	overflow pipe overflow prevention floor drain overflow pulse overflow rate overflow river over-flow rule overflow section overflow spillway overflow tube overflow valve overflow valve overflow viscometer overflow weir overflux relay overfocus overfold overfreight overfreight overfuel overfulfil overfull demand over-full demand overfull employment overfull employment overfunded pension plan

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。