A concave mirror would project a real inverted image of the silverpoint onto the panel, which van Eyck would trace.
凹面镜
的实像投射到木板上，于是范艾克便可以在板子上描画。
A concave mirror would project a real inverted image of the silverpoint onto the panel, which van Eyck would trace.
凹面镜的实像投射到木板上，于是范艾克便可以在板子上描画。
As a practical example, an astigmation corrected scanning flat holographio concave grating (SFHCG) is designed and some results of the numerical and optical experiments are given.
给出一消像散SFHCG的设计实例
用这块光栅所做的实验结果。
声明：以上例句、词性
类均由互联网资源自动生成，部
过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
