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Analysis to the time scale on more precipitation in the flood season over 53 years in Puyang
刘平,吴建河,时风云,钟天华,徐文国,刘九玲,王建英,王超
Chinese Agricultural Science Bulletin . 2010, (3): 291 -295 .  DOI: 10.11924/j.issn.1000-6850.2009-1825