convex globoid cam

例句：

1. 1. The convex globoidcam is a crucial component in thedesign of optical systems.
   凸面球面镜是光学系统设计中的关键部件。
2. 2. Theconvex globoid cam wasused to focus light onto a small areaon the other side of the lens.
   凸面球面镜被用来将光线聚焦到透镜另一侧的小区域上。
3. 3. Theconvex globoid cam isoften used as a reflector to enhancethe image quality of a camera lens.
   凸面球面镜通常用作反射镜，以增强相机镜头的图像质量。