The primary goal of the DTN program is to develop and field network services that deliver critical information reliably even when no end-to-end path exists through the network.

DTN计划的主要目标是开发和部署一项能够具备可靠传输关键信息特性的网络，甚至是在网络中没有端-端路径的情况下。

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This paper also designs the computerized critical path algorithm and the network graph drawing algorithm based on the graph theory and project management technique.

论述了图论的技术以及项目管理技术，并且根据图论技术和项目管理技术设计出了关键路径算法以及网络图绘制算法。

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This paper analyzes the time-scaled network plan applied to confirm critical path, gain time factors, control network plan and so on.

就时标网络计划在工程中如何确定关键线路、分析工作时间参数、进行网络计划的控制等进行阐述。

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