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Some questions about the reflection factor are expounded and our ideas to how define the re- flection factor of non-perfect diffuse reflection sample are presented. 本文對(duì)與反射因數(shù)測(cè)量有關(guān)的一些問(wèn)題進(jìn)行了論述。對(duì)如何確定非完全反射漫射試樣的反射因數(shù)提出了我們的看法。