This paper introduces the design principle and concrete programme of a dim light collimating sight fitting-on pistol for day and night based on CCD,and collects the effect image.是什么意思_This paper introduces the design principle and concrete programme of a dim light collimating sight fitting-on pistol for day and night based on CCD,and collects the effect image.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句