abstract Riemann-surface是什么意思

用法例句

Abstraction -Certainly Process for Mathematics;

抽象——数学发展的必然

Abstract Technology of UML Sequence Diagram in Reverse Engineering;

逆向工程中的UML序列图抽象技术

Expressway Network Tolling System and 4+1 Abstract Modeling Structure;

高速公路联网收费软件系统及4+1抽象建模结构

Total Abstraction of the Quality Behavior──On “Virtue”, which is proposed by Confucius;

品质行为的总抽象──释《论语》中的“德”