The speaker unit has the speaker and an attachment unit.
扬声器单元具有扬声器和连接单元。
The Medium Attachment Unit(MAU)is a pivotal circuit unit in bus powered Foundation Fieldbus devices. It is one of the most difficult problem in the hardware-design of FF devices.
媒体结合单元（MAU）是总线供电的现场总线仪表中的关键部件，也是硬件设计中的难点。
Finally, based on this article real diagnosis analysis, proposed own idea to the unit capital economy attachment value use.
最后，基于本文的实证分析，对单位资本经济附加值的使用提出了自己的想法。
Finally, based on this article real diagnosis analysis, proposed own idea to the unit capital economy attachment value use.
最后，基于本文的实证分析，对单位资本经济附加值的使用提出了自己的想法。
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