该语言中的每个对象都是具有其自己的数据和函数的单独实体，可独立设置。

Each object in this language is its own individual entity with its own data and function that you can set independently.

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SPE程序是作为一个具有main函数的独立程序进行编译的，它简单地执行一些必需的工作。

SPE programs are compiled as standalone programs with a main function which simply performs the necessary work.

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针对组合函数，文中给出了线性统计独立性的概念。

The concept of linear statistical independence is defined for the combination function.

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