新版包含了许多与微波管脉冲操作相关的新术语，以及专门与放大器管和振荡器管相关的新术语。增加了四个新章节，涵盖适用于盘封管、磁控管、大功率速调管和充气微波开关管的术语。本建议为世界各地的微波管用户和制造商提供了用于准备和解释测试规范的标准术语。

This new edition contains many new terms associated with pulse operation of microwave tubes as well as new terminology relating specifically to amplifier tubes and oscillator tubes. Four new sections covering terminology applicable to disk seal tubes, magnetrons, high-power klystrons and gas-filled microwave switching tubes have been added. This recommendation provides users and manufacturers of microwave tubes throughout the world with standard terminology for use in preparing and interpreting test specifications.