birational map是什么意思

用法例句

Four kinds of two organic dopant TGS series crystals have been grown by slow cooling method from aqueous solution.

本文采用水溶液缓慢降温法生长了 4种双有机取代基TGS系列晶体。

Based on the concepts of consistently bifinite domains and the equivalent properties,the article proves several relevant conclusions of consistently bifinite domains.

在相容双有限domain概念及其等价性质的基础上,证明了几个与相容双有限domain相关的结论:相容双有限domain在Scott连续映射下的像仍是相容双有限domain;相容双有限domain的非空Scott闭子集仍是相容双有限domain等。

This paper generalizes some concepts such as bifinite domains from dcpos to consistently directed complete posets, defines concepts of approximate identity, finitely separated, consistently bifinite domains on consistently directed complete posets, and provides an equivalent proposition of consistently bifinite domains.

　将建立在dcpo上的双有限domain等概念推广到相容定向完备偏序集上,定义了相容定向完备偏序集上的逼近单位、有限分离、相容双有限domain等概念,给出了相容双有限domain的等价命题。