The influence of knife - edge outline on the spot measurement is discussed and somearein this paper.

本文从理论上分析了刀口的几何特性与物理特性对微小光斑测量的影响.

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A portable on - spot measurement of nitrogen dioxide instrument was developed based on photometry.

研制了一种基于光度法现场测定大气二氧化氮的便携式仪器,开发了相应的控制软件.

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