1. A lens is an optical system including two refracting surfaces. 一个透镜是包含两个折射面的光学系统。
2. We designed ultra high density and high count optical fiber cables, which have good mid span branching characteristics. 我们设计的超高密度和大芯数光纤光缆具有良好的中间跨距分线功能。
3. The Paper products have clean, soft features, apply to clean microscope film, camera lens, magnifying glass lens, the TV screen, and other optical equipment. 产品具有纸质洁净、柔软等特点，适用于擦拭显微镜片、照相机镜头、放大镜镜片、电视荧光屏等光学仪器。
英英解释
adj.
1. relating to or using sight
2. of or relating to or involving light or optics
3. of or relating to or resembling the eye
