在大多数基于规则的专家系统中的基本表示单元。

The basic representation unit in most rule-based expert systems.

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刻划了S-正则半群上的极大幂等元分离同余并给每个S-正则半群一个基本表示。

The maximum idempotent - separating congruence on a S - semigroup is characterized and a fundamental representation of a such semigroup is given.

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矢量图形网格模型是实体的一种基本表示形式，特别对于描述具有复杂曲线曲面的实体可以说是一种最有效的表达方法。

Vector graph mesh model is a basic representation type of a body, particularly it is the most effective presentation method to representation complex body with curve and surface .

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Well, in music the most basic symbol for the beat is the quarter note.

音乐中表示拍的最基本符号是四分音符

耶鲁公开课 - 聆听音乐课程节选

So, the two most elementary ideas you learn are what is the average velocity of an object, as then ordered by the symbol v-bar.

你们学过的两个最基本的概念是,物体的平均速度,用"v拔"表示

耶鲁公开课 - 基础物理课程节选