United States, Federal Railroad Administration, Office of Research and Development, (Report) FRA/ORD
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1981年
关键词:
ACOUSTIC VARIABLES MEASUREMENT - NOISE ABATEMENT;
D O I:
暂无
中图分类号:
学科分类号:
摘要:
The report contains discussions of sound fundamentals, measurement and analysis instrumentation, measurement procedures, current regulations, railroad noise sources and noise control methods.