ISO/TR:25679:2005列举了金属材料特定机械试验方法国际标准中使用的符号和定义，这些符号和定义由ISO技术委员会164《金属机械试验》负责。数据按字母顺序并通过编码系统编制索引。附录A提供了编码系统和相关国际标准号之间的额外交叉参考。

ISO/TR:25679:2005 enumerates the symbols and definitions used in International Standards for specific methods of mechanical testing of metallic materials, which are the responsibility of ISO Technical Committee 164, Mechanical testing of metals. The data is indexed alphabetically and via a coding system. Annex A provides an additional cross-reference between the coding system and relevant International Standard numbers.