It is a key step of manufacturing the large relative aperture aspherical surface to make a breakthrough at the technology.
突破这一技术是研制大相对孔径非球面的关键环节。
2
The method comprises the step of providing a printing fluid droplet tail release guide arrangement at a predetermined position at an edge of a circumference of said aperture.
所述方法包括在所述孔圆周一边缘上的一个预定位置提供一个打印流体微滴尾部脱离导向配置的步骤。
3
Motion compensation is a key step for inverse synthetic aperture radar (ISAR) imaging.