A focusing method by adjusting two slit mark images was proposed to realize accurate focusing of a non-mydriatic fundus camera for an observed retina image in dark.
为实现免散瞳眼底相机在被观测眼底图像较暗情况下的精确调焦，提出了双光楔裂像调焦方法。
Studies on visualization of the behavior, of subcooled boiling bubbles, in narrow rectangular slit shaped channels, have been conducted with the help of a high-speed digital camera.
采用高速摄像仪，对矩形窄缝流道内过冷沸腾时的汽泡行为进行了可视化实验研究。
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