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例句
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Isomorphism, in brief , means two graphs possess identical topological structures.
所谓图的同构,就是指两个图的拓扑结构完全相同.
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In topology , the invariability deformations of geometric figures and is referred to as topological property.
这一过程中的“恒量”和局部“变量”反映了翻译的“变化中的不变性质”,即翻译的拓扑性质.
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The structure of the chain extender was defined and verified each other.
确定了该扩链剂的结构,各方法相互验证.
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Sometimes extender circuits are used to increase the fan - in capability of digital circuits.
有时,使用扩展器电路来提高电路的扇入能力.
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Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender ( E - 300 ) were prepared.
以多元醇 ( PEA, PPG,PTMG ),PDI, E300为原料,制备了 PU 弹性体.
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The global topological structure of the biquadratic systems is discussed and their coefficient conditions are given.
讨论了一类齐四次系统的全局结构,并给出了它们的系数条件.