使用变量和常量配置的NEC - 2输入数据。

Use variables and constants to configure the nec-2 input data.

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syntax接受一个转换表达式(由模板变量和常量表达式组成)并返回产生的语法对象。

Syntax takes a transformation expression consisting of template variables and constant expressions and returns the resulting syntax object.

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事实上，真正发生的事情是：在函数语言中，就像变量和常量一样，函数是一级概念，所以语法上也是一样地处理。

In fact, this is precisely what's taking place: in a functional language, functions are first-class concepts, like variables and constants, and so are syntactically treated as such.

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