With the commonly used serial bus as design basis, the kernel technologies, e. g., architecture and communication protocol of USB are analyzed and discussed.

本文以通用串行总线为设计基础，分析并讨论了USB的体系结构、通信协议等核心技术。

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Instead of designing products, services, graphics, information systems, fashion, e-commerce, interior design and architecture as separate projects, it is necessary to address all aspects of business.

除了产品设计，服务设计，平面设计，信息系统设计，时尚设计，电子商务设计，室内设计，建筑设计，设计管理还涵括了商业的各个方面。

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