Analysis is made on the present situation of the highway construction, and discussed the rebuilding objects by providing the application of the measuring techniques.
从分析我国现有公路状况入手，对公路改造的主要内容进行了介绍，并提出了测量技术在公路改造中的具体应用。
The progresses in investigations on the mechanism and predication of underwater noise, its control techniques, new measuring methods and techniques of analysis are reviewed.
本文主要介绍近年来船舶行业水下噪声研究进展概况。包括水下噪声形成机理和预报；水下噪声控制技术；水下噪声近代测量分析技术。
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