标准摘要
[中文适用范围]: 这 20 个定义适用于时间测量仪器或相关设备。 表格总结了与定义相关的值和测量单位。 第 2 部分涉及技术商业术语的定义。 [外文原描述]: The 20 definitions apply to time-measuring instruments or to related devices. A table summarizes the values and units of measurement associated with the definitions. Part 2 deals with definitions of technico-commercial terms.
英文名称Horological vocabulary — Part 1: Technical and scientific definitions