退出值;
development of a new type of camera obscura and its application in x-ray photographs taking of kaschin-beck disease ( kbd) areas
新型暗袋研制及大骨节病X线摄影中的应用价值
the utility model relates to a color tv projection amplifier which is composed of a machine frame, guide rails, lenses, apertures, a telescopic camera obscura, a camera obscura interface, etc.
彩电投影放大器由机架、导轨、透镜、光圈、可伸缩暗箱、暗箱接口等组成。
lawrence weschler first recorded mention of principles behind pinhole camera obscura: mozi, chinese philosopher ( 470-390 b.c.)
首个提到针孔相机原理的人:中国哲学家墨子(公元前470年至公元前390年)
"a parallel image" is an electronic version of camera obscura.
平衡影像是一个电子版本的影像暗箱。
He used a camera obscura, which was a primitive camera.
他用的是照相暗盒, 最原始的相机.
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