depth of focus 焦深 ; 震源深度 ; 景深 ; 聚焦深度
Focus depth theory 焦深理论
focus depth analysis 聚焦深度分析
depth from focus 聚焦合成的 ; 聚焦深度测量
depth focus 焦深
Based on the diffraction optics, this paper analysis the effect of aperture matching on EMR, size of focus point and focus depth of the object in detail.
本文以衍射光学为基础，详尽地分析了光束孔径匹配对光能耦合效率、光斑尺寸、物镜焦深的影响。
Students have the freedom to focus on whatever topic or subject that they are interested in and study it in depth through the internet.
学生可以自由地专注于他们感兴趣的任何主题或学科，并通过互联网深入研究。
Essentially, startups focus on breadth of knowledge, while enterprise focuses on depth of knowledge.
基本上创业公司专注于技术的广度，而大企业专注于技术的深度。
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