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汉语拼音：hǎi dǐ dì mào

海底起伏形态的总称。主要包括大陆架地貌、大陆坡地貌、大洋底地貌。有浅滩、珊瑚礁、磨蚀台地、海底峡谷、海岭(海底山脉)、海底平顶山、海盆、海沟等多种地貌形态。

• We really do know more about the surface of the moon than the total ocean floor.

  看来，我们对月球表面的了解确实要比对海底地貌的了解要多得多啊。

• Radial sand ridge is huge. The terrain is unique. Hydrodynamic condition is complex, and suspended sediment concentration is high.

  辐射沙洲规模巨大，海底地貌独特，水动力条件复杂，悬浮泥沙浓度高。

• Focal depth, shape of the coastline, seabed topography and other factors that may affect the scale of the tsunami.

  震源深浅、海岸线形状、海底地貌等因素会影响海啸规模。

• Establishing topology of submarine geomorphologic map

  海底地貌制图中拓扑关系的建立

• Submarine Geomorphic Features in the Central Areas of the South Yellow Sea

  南黄海中部海区海底地貌特征

• Relief Type and Acoustic Characters of Inshore Seabed Along Qingdao

  青岛近岸海区海底地貌类型及声学特征

• Geomorphical Characteristics in the Bordering Coastal Area BetweenLiaoning and Hebei Provinces and Their Significance inSea-Area Division

  辽冀省间海域勘界区海底地貌特征及其划界意义

• Confirmation of Main Surveying Line Span and Map Scale Based on the Expression of Submarine Relief

  基于海底地貌表示法确定主测深线间隔和测图比例尺