backward-wave tube amplifier的用法和样例：
例句
- Gyroklystron is one of the most promising high-power coherent millimeter wave sources.
回旋速调管放大器是一种具有重要发展前景的高功率相干毫米波源。 - The second harmonic three-stage gyroklystron amplifier is designed and simulated by means of PIC simulation software.
应用粒子模拟软件对设计的二次谐波三腔回旋速调管放大器进行了数值模拟。
