W00561: NOS Hydrographic Survey , External Source Data 2021, 2018-02-01
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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,NOAA)肩负法定职权,负责收集水文数据,以支撑保障航行安全所需的海图编制工作……



