H06534: NOS Hydrographic Survey , 1939-12-31
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The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe...
美国国家海洋和大气管理局(National Oceanic and Atmospheric Administration,简称NOAA)具备法定职权,可收集水文数据(hydrographic data)以支撑安全航海海图的编制工作……



