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China 2. Department of Physics and Electronic Engineering; Weinan Normal University; Weinan; Shaanxi 715300;
渭南师范学院物理与电子工程系；
youdao
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China 2. Department of Physics and Electronic Engineering; Weinan Normal University; Weinan; Shaanxi 715300;
渭南师范学院物理与电子工程系；
youdao