W00496: NOS Hydrographic Survey , External Source Data 2020, 2019-08-18
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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)拥有法定职权,可收集海道测量数据(hydrographic data),以支撑用于保障航行安全的海图编制工作……



