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This paper tries to introduce the reader to the method of using photochemical re-action to copy holographic optical ele......
A new displacement measurement system is described in this paper according to the basic principles of traditional lasert......
利用增广故障信息阵以及三态标识法提出了故障定位的新判据,即将电源节点作为增广节点考虑形成网络描述矩阵、再分别根据故障信息......
