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Abbreviations: (1) XZ, XuZhou (34°09′18″N, 117°18′75″E);(2) HY, HuaiYing (33°01′181″N, 118°34′541″E);(3) NJ,NanJing (32°01′18″N,118°28′54″E);(4) CS, ChangShu(31°03′63″N, 119°50′90″E);(5) SZ, SuZhou (31°21′36″N, 120°20′26″E).
