由IEC 61158-4-3 2010翻译过来，大部分内容已校对，带有书签方便阅读。如果想准确全面的理解协议，请参考英文原文档
2021-03-04 14:06:23
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Edition 5.0 2010-07
Industrial communication networks – Fieldbus specifications –Part 2: Physical layer specification and service definition
2021-01-28 03:23:33
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