For code that works with simple numeric or character data in tight loops, Pyrex can produce significant speedups, maybe 50 times the speed in best cases.

对于在循环中使用简单的数字或字符数据的代码来说，Pyrex的加速效果非常明显，在最佳情况中，可能会是50倍。

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Numeric core code and data structure initializing core code are generated for the the simulator in a high level programming language from the language of the symbolic language translator.

根据符号语言翻译器的语言，按照高级程序语言产生模拟程序的数字核心代码和初始化核心代码的数据结构。

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American Standard code for Information Interchange (ASCII) is the code that is most commonly used to represent alpha-numeric data in a computer.

美国标准资讯交换码(ascii)是最普遍用来表示电脑内的文数字资料的编码。

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