Effect on the frequency selective performance of double layer ring aperture with unit cell aligning error 双层圆环缝隙单元准直误差对频率选择特性的影响
Imaging Algorithm of Synthetic Aperture Radar Based on Graphics Processing Unit 基于图形处理器的合成孔径雷达成像算法
Set the lens aperture to the aperture value designated by the flash unit according to the ISO setting of your camera. 根据您相机的ISO设置并按闪光灯要求的光圈数值来选好您相机的光圈大小。
The large aperture KDP electro-optical switch is a key unit for the new high-power laser multi-pass amplification system. 大口径KDP电光开关是新一代高功率激光器多程放大系统的关键部件。
Test of the emergency pressure relief system and theoretical calculation of the aperture of pressure relief orifice in a hydrocracking unit 加氢裂化紧急泄压系统的试验和泄压孔板内径的理论计算