And by that I mean, do the set of primitives support a broad range of applications, or is it really aimed at a very specific set of applications?

也就是说这个基本集合，是不是支持,比较多的程序，或者是不是面向,某一特定种类的程序的？

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So it's got an internal procedure,internal function, local to the unit test, that runs the simulation.

它有内部过程，内部函数，它对unit，test来说是有本地环境，来支持股票仿真程序的运行。

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