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。
The result also shows that the OPA is a very useful technique for process optimization and quality control for continuous casting.
该工作也表明，OPA技术对指导连铸工艺优化、提高产品质量是十分有效的方法和监测工具。
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