tidal day潮汐日tidaladj.潮的；潮水似的tidal lamination潮汐分层tidal undulation潮振动,潮位升降tidal phenomenon潮汐现象tidal hypothesis潮汐假说tidal-bar trap潮砂坝圈闭tidal sand ridge潮成沙脊,潮脸脊,潮沙脊tidal difference潮汐改正值,潮时差tidal attraction潮汐引力tidal embankment挡潮土堤tidal model test潮汐模型试验