有理等价
- 网络rationally equivalent;rational equivalence
有理等价-
内容摘要：高维代数簇的双有理等价分类是代数几何研究的一个重要分支，其主要问题就是通过代数簇的收缩态射构造极小模型。
One of the main research fields in algebraic geometry is the birational equivalent classifications of higher dimensional algebraic varieties , of which the key problem is to construct minimal models through contractions of algebraic varieties .
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基于有理分式等价的系统阶次和参数同时辨识
Simultaneous identification of system order and parameters based on rational fraction equality