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由海司航保部委托中国船舶总公司760研究所研制的“西北太平洋（水声）环境条件的分析研究”于1992年12月17日至19日在大连通过验收、鉴定。 该项目是从1989年12月开始研制的,历时三年,在广泛收集资料的基础上,经过准确的统计计算和科学的分析研究,完成和提供的成果含有四个方面的内容:1.西北太平洋近100块5度方区中,全年各月份的温、盐、密、声（含声速梯度）的垂直结构模式图与全年各月份声道特征量的大面分布图集;2.中国东海（20°N以北,130°E以西海域）0.5度方区上2、5、8、11月份温、盐、密、声的垂直结构模式图;3.分析研究报告《西北太平洋海洋（水声）环境条件的分析研究报告》;4.为用户备有西北太平洋上述研究内容的全部统计（资料）、计算、绘图程序软件系统,可供在通用计算机上方便灵活地随时调阅、复印、再现和进行实时地分析处理。
The “Analysis and Study on the Environmental Conditions of the Northwest Pacific (Acoustic Environment)”, commissioned by the Division of Coastal Navigation Assurance, 760 China Shipbuilding Corporation, passed the inspection and identification in Dalian on December 17-19, 1992. The project was developed from December 1989 and lasts for three years. Based on extensive data collection, through accurate statistical calculation and scientific analysis and research, the completed and provided results contain four aspects: 1. Northwest China 2. The vertical structural patterns of temperature, salt, density and sound (including the sound velocity gradient) of the nearly 5-degree 5-square area in the Pacific Ocean during the whole year and the large-scale distribution of the vocal tract features for each month of the year; Vertical structural patterns of warm, salt, dense and acoustic waves in the 0.5 degree square in the East China Sea (north of 20 ° N and west of 130 ° E) in February, May, August and November; 3. Analytical study report “Northwest Pacific Ocean (Underwater acoustic) environmental conditions analysis and research report ”; 4 for the user with the Northwest Pacific all the statistics (data), calculation, mapping software system for easy access to general-purpose computer at any time flexible and readily available to read, Copy, reproduce, and analyze in real time.