longitudinal dune
常見例句
- Shifting of dune had horizontal direction (NE SW) and longitudinal direction(NW SE) and irregular formation formed with varied wind direction.
沙丘走向有橫向（NE-SW）和縱向（NW-SE）以及多風向形成的不規(guī)則形。 - Consolidated sand, caused by the movement of sand wave and longitudinal dune, is a silting phenomenon takes place in backflow zone of Hanjiang Reservoir.
鐵板沙是漢江庫區(qū)變動回水區(qū)的一種泥沙淤積現(xiàn)象，是沙浪、沙壟運動的產(chǎn)物。 返回 longitudinal dune