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标题: 请问nondiffracting sources vs diffracting sources? [打印本页]

作者: 人为才死    时间: 2009-7-17 17:56
标题: 请问nondiffracting sources vs diffracting sources?
请问nondiffracting sources 和 diffracting sources的具体定义是什么?
怎么判断光源是diffraction or nondiffraction

谢谢




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