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2国际数据元标准研究的主要内容2．IISO／IEC7826《信息技术──代码值交换的总体结构》以代码形式进行信息表示可促进计算机对信息的有效处理，保证对信息进行精确的表述并使其独立于各种自然语言。因此，在各种应用类型的信息交换中，对信息进行编码是表示信息的最常用的方法
2 The main content of the international data element standard research 2. IISO / IEC 7826 “Information Technology - The Overall Structure of Code-Value Exchanges” The presentation of information in code form facilitates the computer’s efficient handling of information and ensures that information is accurately represented and independent of the various natural languages. Therefore, in the exchange of information for various application types, encoding information is the most commonly used method of representing information