1.1 本术语定义了D05委员会负责的煤炭和焦炭标准中使用的技术术语。这些术语用于: 1.1.1 在与煤和焦炭相关的大多数商业和技术目的所需的条件下对煤和焦炭进行取样。 1.1.2 偏差和相关统计检验， 1.1.3 煤的描述，无论是在现场视觉上还是在实验室微观上， 1.1.4 煤和焦炭的化学和物理分析， 1.1.5 煤的分类，以及 1.1.6 适用于煤炭和焦炭行业的某些其他相关实践和指南。 1.1.7 以国际单位制表示的数值应视为标准。SI单位后括号中给出的值仅供参考，不被视为标准值。 1.2 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 defines the technical terms used in standards that are the responsibility of Committee D05 on Coal and Coke. The terms are used in: 1.1.1 The sampling of coal and coke under conditions required for most commercial and technical purposes related to coal and coke. 1.1.2 Bias and related statistical testing, 1.1.3 The description of coal, both visually in the field and microscopically in the laboratory, 1.1.4 Chemical and physical analyses of coal and coke, 1.1.5 Classification of coal, and 1.1.6 Certain other related practices and guides applicable to the coal and coke industries. 1.1.7 The values stated in SI units are to be regarded as standard. The value given in parentheses after SI units are provided for information only and are not considered standard. 1.2 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.