harmonic planeglossary / HARMONIC PLANE harmonic plane. An arbitrarily selected zero chosen by the U.S. Coast and Geodetic Survey to serve as the base for its tidal tables, charts, and maps. 词条贡献者 资深译员Betty，毕业于亚洲一流的高级翻译学院，专注翻译各种与商业移民有关的法律文件。
harmonic plane HARMONIC PLANE, 一致线 harmonic plane 〈美〉一致线 商务部美国海岸与大地调查〔United States Coast and Geodetic Survey of the Department of Commerce〕所确认的零点基线，潮汐表、航海图、地图等均以此为基础。它是任意性的一条线〔arbitrary plane〕，在皮吉特湾〔Puget Sound〕,它是该部所认可的最低潮汐线。
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