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赵 强, 孙殿平, 张文倩, 郭超修
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ZHAO Qiang, SUN Dian-ping, ZHANG Wen-qian, GUO Chao-xiu
大学物理 . 2020, (04): 34 -36 .  DOI: 10.16854 / j.cnki.1000-0712.190222