1.1 本术语包含疲劳和断裂试验标准中批准使用的某些标准、符号和缩写的定义、术语定义。定义前面有两个列表。第一个是按字母顺序排列的符号列表。（希腊语符号根据其在英语中的拼写列出。）第二个是按字母顺序排列的相关缩写。 1.2 该术语包括 附件A1 关于单位和 附件A2 关于试样配置、施加载荷和裂纹或缺口方向的标识代码。 1.3 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This terminology contains definitions, definitions of terms specific to certain standards, symbols, and abbreviations approved for use in standards on fatigue and fracture testing. The definitions are preceded by two lists. The first is an alphabetical listing of symbols used. (Greek symbols are listed in accordance with their spelling in English.) The second is an alphabetical listing of relevant abbreviations. 1.2 This terminology includes Annex A1 on Units and Annex A2 on Designation Codes for Specimen Configuration, Applied Loading, and Crack or Notch Orientation. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.