cotidal hour同潮时;[天] 等潮时;满潮时距
cotidal line同潮线;[测] 等潮线;同潮时线
cotidal chart同潮时图
cotidal chars等潮图
cotidal lines同潮时线;等潮线
Line cotidal同潮时线
Chart cotidal同时潮图
cotidal current line等潮流线
ADJ（形容词） (of a line on a tidal chart) joining points at which high tide occurs simultaneously 同潮的