第二个是可在数亿分之一秒的时间里实现数千伏电压的通断，这是一项前所未有的成就。
The second advance is a way of switching thousands of volts on and off in a few billionths of a second, a previously impossible feat.
[color=#000000]第二个是可在数亿分之一秒的时间里实现数千伏电压的通断，这是一项前所未有的成就。
[font=Times New Roman][color=#000000]The second advance is a way of switching thousands of volts on and off in a few billionths of a second, a previously impossible feat.
基于雪崩三极管雪崩效应，研制出了一种数千伏、纳秒级脉冲源。
Based on the avalanche effect, a kind of kilo-volt nanosecond pulsers has been designed, by using microwave PCB (printed circuit board).
在倒数记秒末点，切勿再用120伏(电压)启动循环，否则倒数计秒将重启。
When the end of the countdown is reached, the 120 Volt must not be applied anymore to start a cycle. If not, the countdown will restart.
根据具体系统指标，选择全固态微波电路方案，研制出了系列的数千伏、纳秒级、超宽带雷达用脉冲源。
Based on the microwave PCB circuit, series of kilo-volt nanosecond UWB radar pulsers have been designed.
根据具体系统指标，选择全固态微波电路方案，研制出了系列的数千伏、纳秒级、超宽带雷达用脉冲源。
Based on the microwave PCB circuit, series of kilo-volt nanosecond UWB radar pulsers have been designed.
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