Because many of circuit board under test are mixed-signal type, the diagnostics database, which is the core of the software, is built by a method, namely Discrete Event Systems theory.

针对待测电路板许多属于数模混合类型，作为软件核心部分的测试诊断数据库的建立采用了离散事件系统法。

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Last year, a leading US-based sector-focused firm used deal diagnostics to sharpen the definition of its investment core and assess opportunities to grow beyond it.

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