A measuring system of the focus plane information of bigger aperture aerial camera was described.
提出了一种测量航空大孔径相机焦面信息的系统，论述了系统的测试原理和组成。
Aerial reconnaissance camera is the important information source in wartime.
航空侦察相机是战时重要的信息来源。
Aerial reconnaissance camera is the important information source in wartime.
航空侦察相机是战时重要的信息来源。
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