convex mirror

基本解释

Magnifying the hand in a convex mirror cut pain levels further still.
而在凸面镜中看到自己放大了的手的受试者所感受到的痛感更轻。
www.voice-english.com
In this approach, a concave-convex mirror which has the action of reflection and shaping is put behind the output mirror.
通过在输出镜后放置一具有反射和整形作用的凹凸镜，让作为输出注入光束的谐振腔优先起振。
To see what that world view looks like, researchers set up a video camera behind a convex mirror, so light from the sides bounced off the mirror and into the lens.
为了体验蜜蜂眼中的世界，研究人员将一台摄像机安装在凸透镜的后面，这样来自各个方向的光线就会被凸透镜反射进镜头，由此得到两种镜像：中心镜像和外部镜像。