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.

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。

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The development of non-sinusoidal oscillation of mould expands the basic parameters of mould oscillation, and surmounts the limit of oscillating parameters range for sinusoidal oscillation .

结晶器非正弦振动形式增加结晶器振动的基本参数，突破结晶器正弦振动参数的取值限度。

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Analyzing and experimental results show that a fairly wide range of oscillation frequency can be controlled by a single grounded resistor.

理论分析和实验结果表明：只需调节一个接地的电阻，振荡频率可调范围相当宽；

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