SP语言是可移植、强类型、面向事件的离散系统模拟语言，是以PASCAL语言为基础进行模拟功能扩充而形成的。

SP is a portable, strongly-typed, event-oriented, discrete system simulation language, It is derived from PASCAL by adding some simulation functions.

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GPSS语言是目前在离散系统计算机模拟领域使用的最常见的模拟语言之一。

GPSS is one of the most common languages that are used in computer simulation area of disperse field.

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