1.1 促进对B02委员会颁布的标准、报告和其他技术著作的准确理解和解释。 1.2 使这些文件中使用的术语标准化。 1.3 向不熟悉这些文件的人解释这些文件中使用的技术术语的含义。 1.4 一些定义包括 讨论 第节，这是强制性的 部分 并包含与定义术语含义相关的附加信息。 1.5 特定标准特定术语的定义将出现在该标准中，并将取代本标准中相同术语的任何定义。 1.6 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）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》中确立的国际公认标准化原则制定的。 ====意义和用途====== 2.1 本文件中定义的术语是关于有色金属和合金委员会B02管辖下的标准的通用术语。在其他ASTM技术委员会中，相同的术语可能有不同的定义。 2.2 由于重量或尺寸等项目的限制，委员会内部的一些定义可能会有所不同。在这种情况下，术语将在 术语 使用这些术语的标准章节。

1.1 To promote precise understanding and interpretation of standards, reports, and other technical writings promulgated by Committee B02. 1.2 To standardize the terminology used in these documents. 1.3 To explain the meanings of technical terms used within these documents for those not conversant with them. 1.4 Some definitions include a discussion section, which is a mandatory part of the definition and contains additional information that is relevant to the meaning of the defined term. 1.5 Definitions of terms specific to a particular standard will appear in that standard and will supersede any definitions of identical terms in this standard. 1.6 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. ====== Significance And Use ====== 2.1 The terms defined in this document are generic in respect to the standards under the jurisdiction of Committee B02 on Nonferrous Metals and Alloys. The same terms may have different definitions in other ASTM technical committees. 2.2 Some definitions may differ within the committee because of limitations on items such as weights or dimensions. In such cases the terms will be more precisely defined in the Terminology section of the standards in which these terms are used.