This system performance to easy to use, has high expansibility and maintainability.

该系统功能力图易于使用，具有较高的扩展性和可维护性。

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Based on modern software engineering technique, it has high expansibility and maintainability.

基于现代软件工程技术，具有高度扩展性、可维护性。

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By using the "USB Bootload" mode, the system can on-line change and maintain the test software, achieve high facility and high expansibility.

本系统采用USB自举加载模式，能够在线修改与维护测试软件，增强了系统灵活性和扩展性。

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