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...
Three 3500 W dysprosium lamps are installed on each tower crane for site lighting during night.罐体施工现场:在每台塔吊上装三盏3500W镝灯用于现场夜间照明.Adjust the lighting so it is soft and restful.调节灯光使其看上去既柔和又能给人带来舒缓感。Keep lighting fixtures an...
论文为磁流体 加速度传感器 的研制奠定了一定的基础.The thesis is founded to guide the magnetic fluid acceleration sensor's fabrication. "目的制备一种稳定的 水基 磁流体.Objective To prepare a stable water - based magnetic fluid.磁流体发电是一种直接发电方式.MHD generati...