陶鼎来. 中国农业工程学者的历史使命[J]. 农业工程学报, 1988, 4(1): 1-3.
    引用本文: 陶鼎来. 中国农业工程学者的历史使命[J]. 农业工程学报, 1988, 4(1): 1-3.
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    Tao Dinglai. HISTORICAL MISSION OF CHINESE AGRICULTURL ENGINEERING SCHOLARS[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 1988, 4(1): 1-3.
    Citation: Tao Dinglai. HISTORICAL MISSION OF CHINESE AGRICULTURL ENGINEERING SCHOLARS[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 1988, 4(1): 1-3.
    shu

    中国农业工程学者的历史使命

    HISTORICAL MISSION OF CHINESE AGRICULTURL ENGINEERING SCHOLARS

      摘要
    • Abstract: In this paper, the concepts of a weakly relative hereditary module, a weakly relative coheredjtary module and a relative hereditary module are introduced . The endomorphism rings of self-hereditary modules are studied. We prove that for P a left self-hereditary modules S=EndR(P) is left semi-hereditary as a ring.

       

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