Study of the dynamic output characteristics of arc welding power supply is of great significance for optimization of welder design, control of welding process and improvement of welding quality.

弧焊电源的输出动态特性的研究，对优化焊机性能、焊接过程控制和改善工艺效果有重要意义。

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This paper analyzed the system output response dynamic characteristics of spinning gear adjustment control system of multi-point forming press.

以多点成形压力机中多轴齿轮传动调形单元为例，研究了传动系统输出响应的动态特性。

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The output decline curves were combined with the water-drive characteristics curves. A set of complete experience forecast methods of dynamic index were given.

将产量衰减曲线与水驱特征曲线结合起来应用，给出了一套较为完整的油田开发动态指标经验预测方法。

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