标准摘要
[中文适用范围]： 包括所有符号的更新索引以及 20 多个处理经过时间显示、III 类设备、跟踪等符号的新表。 [外文原描述]： Includes an updated index of all symbols as well as more than 20 new sheets dealing with symbols for elapsed time display, class III equipment, tracking etc.
英文名称Tenth supplement