接口是一种新兴的总线接口标准，它具有灵活的供电方式、较高的传输速率和即插即用等优点。
USB(Universal Serial Bus) interface is a newly bus interface standard. It has flexible power supply mode, very high transfer rate and plug and play virtue.
接口是一种新兴的总线接口标准，它具有灵活的供电方式、较高的传输速率和即插即用等优点。
USB(Universal Serial Bus) interface is a newly bus interface standard. It has flexible power supply mode, very high transfer rate and plug and play virtue.
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