用电轴法讨论了偏心电容器内的电场分布，概括了平行园柱形带电导体间电场分布的一般情况。
The distribution of electric field in eccentric cylinder capacitors is discussed according to the electric axis law.
这种装置在音频的间息振荡范围内连续可调，信号经半导体三极管放大后用喇叭播放出来。
The device can be adjusted continuously in an audio inter break oscillation range, and a signal is sent out by a loudspeaker through being magnified by a semiconductor triode.
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