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the exponential relaxation spectrum in glasses by high-precision nanocalorimetry\u201d\u4e3a\u9898\u53d1\u8868\u5728\u300a\u7f8e\u56fd\u56fd\u5bb6\u79d1\u5b66\u9662\u9662\u520a\u300b\uff08Proceedings of the National Academy of Sciences of the United States of America, 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