Microcomputer controlled arc welding inverter power source can raises greatly controlled level of pulse MIG welding for its flexible control, high accuracy, high system response.

采用微机控制的弧焊逆变电源控制灵活、精度高、系统响应高的特点，能够极大提高脉冲MIG焊的控制水平。

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Report in Depth grasps the pulse of times at a high level, understands the cries of the mass and publish typically meaningful reports.

《南方周末》深度报道高层建瓴地把握时代的脉搏，理解群众的呼声，写出例如具有典型意义的深度报道。

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The time of high level and the cycle for input pulse was measured with micro-controller to calculate duty cycles.

单片机通过测量输入脉冲的高电平时间及周期而实现占空比测量。

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Today, the best that can be said is that the extent and duration of future EMP-induced blackouts would depend on whether the emitter generates a small or large pulse, and whether it is detonated at ground-level or from high altitudes.

CENTERFORSECURITYPOLICY: The Blackout Next Time