ules and any associated documentation pertaining to the operation of a data processing system
　　包括程序、进程、数据、规则和关于数据处理系统操作的相关文档的智能创作。
　　固定程序语言（FPL） fixed program language
　　in this type of language, the user is limited to adjustment of a few parameters (for example, range of the pressure transmitter控制工程网版权所有, alarm levelsCONTROL ENGINEERING China版权所有, network addresses)
　　限定用户只能调整几个参数（如压力变送器的量程、报警等级和网络地址）的语言类型。
　　有限可变语言（LVL） limited variability language
　　this type of language is designed to be comprehensible to process sector users, and provides the capability to combine predefined, application specificwww.cechina.cn, library functions to implement the safety requirements specifications. An LVL provides a close functional correspondence with the functions required to achieve the application
　　被设计成过程领域用户容易理解并可为实现安全要求规范提供组合预定的、应用专用的库功能能力的一种语言类型。LVL可提供一种与达到应用所要求的功能几乎一致的功能。
　　全可变语言(FVL)? full variability language
　　this type of language is designed to be comprehensible to computer programmers and provides the capability to implement a wide variety of functions and applications
　　设计成计算机编程者易于理解www.cechina.cn，并可提供实现各种各样功能和应用的能力的一种语言。
　　软件程序类型 software program type
　　应用软件 application software
　　software specific to the user application. In general, it contains logic sequences, permissives, limits and expressions that control the appropriate input, output, calculations, decisions necessary to meet the safety instrumented functional requirements. See fixed and limited variability language
　　用户应用专用软件。通常，它包含控制正确输入、输出、计算和决策的逻辑时序、允许值、极值和表达式，用以满足仪表安全功能所必须的要求。参见固定程序语言和有限可变语言。
　　嵌入式软件 embedded software
　　software that is part of the system supplied by the manufacturer and is not accessible for modification by the end-user. Embedded software is also referred to as firmware or system software
　　作为系统组成部分由制造商提供的软件，最终用户不能对其进行修改。嵌入式软件又叫固件或系统软件。
　　工具软件 utility software
　　software tools for the creationwww.cechina.cn, modification, and documentation of application programs. These software tools are not required for the operation of the SIS
　　用来创建、修改和编写应用程序的软件工具。操作SIS并不需要这些软件工具。
　　软件生