“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	hedge hedge hedge hedge hedge hedge hedge hedge hedge hedge acacia hedge bamboo hedge bill hedge buying hedge buying hedge buying hedge clause hedge clause hedge clipper hedge cutter hedged position margin hedged position margin hedge fund hedge fund hedge fund hedge fund

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。