# maser ##### 词义 - #词性/n 微波激射器；微波激射 ##### 例句 - A single modulation frequency method used in the passive h maser - 利用单频调制技术实现被动型氢钟的锁定 - Techniques used to Improve the Frequency Stability and Reliability of Hydrogen Maser - 改善氢脉泽标准频率稳定度和工作可靠性所采用的技术 - Design of Atomic Hydrogen Maser Remote Monitor System Based on Virtual Instruments - 基于虚拟仪器的氢原子钟远程监测系统