例如，这种理论模型允许用更有效的等价操作来代替关系代数操作同时不影响结果。
This theoretical model allows, for example, that relational algebra operations to be replaced by more efficient equivalent operations whereas not interfere with the result.
最初的版本(一个计算机代数系统)名为DOE Macsyma，它开辟了后来开发的更知名的应用程序(例如Mathematica)的道路。
The original version (a computer algebra system) was called DOE Macsyma and led the way for later development of more commonly known applications such as Mathematica.
例如，Clojure有一个友好的Set及Set操作实现，以及一些准关系代数实现。
For example, Clojure has a delightful implementation of sets and operations on sets, as well as some quasi-relational algebra thrown in for good measure.
同上文所提供的不同的标题常常更好，例如“Frammis代数简要回顾。”
A different title than that given above is usually better; e.g., "a Brief Review of Frammis Algebra."
例如，数学老师或者数学系有2个代数课程和两个几何课程。
For example, a math teacher or department has 2 algebra and 2 geometry courses.
例如，上文定义的集合t的集合代数就对应与一个有32个元素的布尔代数。
For example, the set algebra for the set t defined above corresponds to a Boolean algebra of 32 elements.
讨论了半单广义顶点代数（相应地半单广义顶点算子代数）的若干性质，例如：这些代数的分解；
In this paper, some properties of semisimple generalized vertex algebras (resp. semisimple generalized vertex operator algebras), for example the decompositions of these algebras;
讨论了半单广义顶点代数（相应地半单广义顶点算子代数）的若干性质，例如：这些代数的分解；
In this paper, some properties of semisimple generalized vertex algebras (resp. semisimple generalized vertex operator algebras), for example the decompositions of these algebras;
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