The influence of the parameters such as surface treatment state, laser output power, welding speed, protective atmosphere, and pulse frequency on the welding quality was studied.

研究了试件表面处理状态、保护气体、激光输出功率、焊接速度、激光脉冲频率等工艺参数对焊接质量的影响规律。

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The upper frequency limit and some factors affecting noise output power of microwave solid state noise diodes are discussed.

讨论了微波固体噪声二极管使用频率的上限和影响噪声输出功率的因素。

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The cavity can effectively choose center frequency, increase electron efficiency and output power of the Raman FEL operating in quasi -single mode regime.

该腔既可有效地选定中心频率，又可望提高准单模运转的喇曼自由电子激光器电子效率及其输出功率。

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Network Rail has insisted it is complying with an EU safety directive and that the mast meets guidelines for power output, frequency and safety.

BBC: Anger at 80ft Network Rail mast in Cornwall

The engineers found a way to kick-start a radio-frequency device wirelessly using an external power source initially, but running the device afterward on the output of power generated by the inner ear.

WSJ: Harnessing Energy From the Body to Power Devices