Physical Experiment of College, 2020, 33(1): 21-24    doi: 10.14139/j.cnki.cn22-1228.2020.01.005
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Design of Lens Group Focal Length Measurement System Based on Object-Image Parallax Comparison
FEI Xianxiang,CHEN Chunlei,WANG Wenhua,SHI Wenqing,HUANG Cunyou