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DOI：10.3969/j.issn.1004-874X.2010.07.069
Author NameAffiliation
梁永国, 张润清, 康杰 河北农业大学海洋学院,河北,秦皇岛,066003
河北农业大学经济贸易学院,河北,保定,071001 
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