Modulated reflection method is used in general for measuring phase lengths of waveguide net-work in construction of electron linear accelerators.
通常，利用调制反射法测量高能电子直线加速器波导网络的相长度。
The electron back bombardment phenomenon in high accelerating gradient standing wave linear accelerators has been analysed in comparison with that in magnetrons and microwave thermionic guns.
高梯度驻波加速管常伴有电子反轰现象，引起电子枪阴极过热及发射不稳定。
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