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1 前言网络计划技术又称计划评审技术,简称PERT。五十年代起源于美国,在美国“北极星”导弹研制中,应用PERT取得了提前
1 Preface Network planning technology, also known as program review technology, referred to as PERT. The 1950s originated in the United States. In the development of the United States “Polaris” missile, PERT achieved advance