根据束流测试结果，文章简略讨论了电子极间渡越时间对束流及枪设计的影响。
According to the result of the measurement, the effects on beam pulse and gun design of the electron transit time between electrodes are discussed shortly.
结果同时表明随着半导体长度的增加，电子的渡越时间并不是线性增加，而是呈现出台阶形变化的有趣结论。
The results also indicate that the traversal is not prolonged linearly as the length of the semiconductor increases but shows step-like behavior.
结果表明：随着倍增次数增多，渡越时间越大；当电压幅度不同时，增益曲线的峰值所对应的电子入射时刻也不同。
It is concluded that the time of the peak value of the gain curve varies with different voltage pulse amplitude.
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