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Acknowledgements This paper is supported by National Natural Science Foundation of China (No. 51904018), Beijing Municipal Natural Science Foundation (No. 3204049), Fundamental Research Funds for the Central Universities (No. FRF-TP-18-054A1), and Interdisciplinary Research Project for Young Teachers of USTB (Fundamental Research Funds for the Central Universities) (No. FRF-IDRY-19-006).Peer reviewedPostprin