技术服务和质量反馈是企业质量管理完成闭环重要的环节。
Technical service and quality feedback are an important link in quality control of enterprises.
感知服务质量、交易性顾客满意、累积性顾客满意之间形成了一个闭环，在一定程度上互为因果。
Perceived service quality, transactional customer satisfaction and cumulative customer satisfaction form a closed loop, to some extent each other.
传统的互动电视系统依赖昂贵的硬件、专用格式和端到端的封闭环路，这大大限制了电视服务的可扩展性。
Traditional interactive TV systems depend on expensive hardware, proprietary formats, and a closed-loop end-to-end approach, which greatly limits scalability and extensibility of TV services.
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