By comparison with analogue AC servo system, some remarkable features of digital AC servo system, such op programming function, system stability and system performance are described.
通过与模拟交流伺服系统的比较，说明了全数字交流伺服系统可编程能力强、系统稳定性好、系统性能提高等特点。
The construction, technical features, software function and application results of this system are introduced.
介绍了系统构成、技术特点、软件功能和应用效果。
Service features and market descriptions of taxis in Shanghai and main characteristics, function and technological prospects of taxi dispatching system for the New Century are discussed.
介绍上海出租车服务特点及市场描绘，新世纪出租车调度系统的主要特点、功能及技术展望、出租车调度系统展望等。
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