用闪光照相，要把光圈孔径定为5.6。For flash photography, set the aperture at f.5.6.他把镜头光圈孔径缩小.He stopped down the lens to a small aperture.逆合成孔径雷达 ( ISAR ) 是指固定雷达对运动目标成像.Inverse synthetic aperture radar ( ISAR ) imaging involves station...
The process of semiconductor manufacturing anti - corrosion , anti - pollution has been greater use of fluoroplastics.半导体生产过程中防腐蚀 、 防污染 已更多地采用氟塑料.The wires usually have a tendency toward crystallization and corrosion.挂线通...