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一、引言网络计划技术是运用系统科学的思想和方法对一个客观过程进行描述和分析的技术，它是一种以网络图为基础的计划模型。它包括了PERT（PERT（ProgramEvaluationandReviewTechnique）-计划协调技术和CPM（CriticalPathMethod）一关键线路法，是50年代发展起来的管理技术。
I. INTRODUCTION Network planning technology is a technology that describes and analyzes an objective process by using the ideas and methods of system science. It is a planning model based on network diagram. It includes PERT (Program Evaluation and Review Technology) - a key alignment approach to planning coordination techniques and CPM (Critical Path Method), a management technique developed in the 1950s.