浅水运动强烈地依赖于底部地形。
The motion of shallow waters is strongly dependent on the bottom topography.
在这具有历史意义的图片中，靠近底部的地形一直延伸至水星的南极，包括一处从来没有被拍摄过的区域。
Terrain toward the bottom of the historic image extends to Mercury's South Pole and includes a region not previously imaged from space.
地 势 苏州地处太湖为中心的浅碟形平原的底部，地形以平原为主，全市地势低平，一般高程为海拔3.5~5米。
Suzhou, at the bottom of a shallow saucer-shaped plain with Lake Tai at its center, is low and even. Average height is 3.5m-5m above sea level.
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