这是面凸面镜。

This is a convex mirror.

首先让我们来看凸面镜，这可能是所有艺术作品中最著名的一面镜子。

Let us look first at the convex mirror, perhaps the most famous mirror in all art.

实验采用凸平直线非稳腔，将凸面镜和增益介质热透镜效应等效为望远镜系统进行分析。

In the experiment we used convex-plane unstable resonator, and analysis the convex mirrors and gain medium thermal lens as a telescope system.

许拯人利用转弯处使用的交通凸面镜，将陈维英的面容镂刻其上，好让以镜为记的路标，可以指引前行的方向。

On a convex mirror mounted on a corner of the building where traffic turns hsu cheng-jen has etched the visage of chen weiying as a road sign showing the way forward.