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杨氏模量仪的调节 被引量:1
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作者 牟俊侠 《大学物理实验》 2000年第2期38-38,52,共2页
本文介绍了一种杨氏模量仪的调节方法 ,简便易行 ,效果较好。
关键词 光杠杆 望远镜
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Relational Representations of Strongly Algebraic Lattices
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作者 许广红 饶三平 《Chinese Quarterly Journal of Mathematics》 CSCD 2012年第4期509-515,共7页
In this paper,we introduce and investigate the strongly regular relation.Then we give the relational representations and an intrinsic characterization of strongly algebraic lattices via mapping relation and strongly r... In this paper,we introduce and investigate the strongly regular relation.Then we give the relational representations and an intrinsic characterization of strongly algebraic lattices via mapping relation and strongly regular relation. 展开更多
关键词 binary relation strongly regular relation strongly algebraic lattice mapping relation
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