The software realizes a series of processes from drawing up the transmission chains to the system analysis as well as the property amending, etc.

软件实现了从传动链的拟定到系统性能分析等一系列过程，还实现了系统性能修正。

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There were 12 cases having directly contact with the index case and 13 cases with one secondary case. The transmission chains of this outbreak could clearly be depicted.

其中指征病例和1名二代病例分别直接传播了12例和13例续发病例，其传播过程可以用清晰的传播链加以描述；

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To achieve inner-linked transmission chains in machine tools with electronic method instead of mechanical one, a novel computer-softwared synchronized electronic gearbox with zero SSE is presented.

针对机床内联传动链的数控实现问题，提出一种以软件方式实现的无静差同步电子齿轮箱。

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