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据《C&EN》杂志报道,美国国家科学基金会(NSF)工程计划的负责人 J·波达格纳在上月向美国国会提出一项全国市政基础设施的更新计划。它涉及到目前美国总值达17万亿美元的桥梁、高速公路、铁路轨道、水的供给与处理系统、电线、光缆、水坝管道以及其它一些被专家认为侵蚀腐朽程度已达到警戒点的基础设施。波达格纳还引证了最近刚由 NSF 出版的一篇题为“国内基础结构系统研究:战略问题”的研究报告作为他的
According to C & EN magazine, J. Dotagner, head of the National Science Foundation's (NSF) program of engineering, proposed to the U.S. Congress last month a nationwide municipal infrastructure update. It covers the current US $ 17 trillion bridges, highways, railroad tracks, water supply and handling systems, wires, fiber optic cable, dams and other infrastructure that experts believe have eroded decay to the point of alert . Poggenar also cites a recent study by the NSF entitled “Domestic Infrastructure Systems Research: Strategic Issues” as his