Programmable switch matrix is the key unit in computer aided test ( CAT ) system.
可编程开关阵列是计算机辅助测试 ( CAT ) 系统的关键部件.
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This method eliminated the rate that usually cable and switch matrix cause and sensitivity loss.
本办法消除了一般情况下电缆和开关矩阵导致的速度与灵敏度损耗.
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