The combination of computer technology and technology of test instruments results with the appearance of a new test instrument, virtual instruments (VI).

计算机技术与测试测量仪器技术的结合，出现了新的测试仪器——虚拟仪器。

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This test system is a computer aided test(CAT) system, developed in virtual instruments(VI) technology, has abundant interfaces and easy to use.

本系统为 计算机辅助测试（CAT）系统，采用流行的虚拟仪器技术开发， 界面丰富，操作简便。

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