It is difficult to determine the effects of straw-breaksurface on the structure of drifting sand current and the wind speed profile in the sand-moving region due to the complexity of straw-breaks.
由于草方格构成的下垫面复杂多变，其对风沙流结构与风沙活动层风速廓线的影响很难确定。
2
Unlike floating ice shelves which have little impact on sea level when they break up, the ice sheet is anchored to bedrock will blow the sea surface.
当浮动冰架破裂时，对海平面的影响很小；而与之不同的是，固定在基岩上的冰盖将会使海面炸毁。
3
More than a thousand people claim to have seen the bulbous back of an unidentified creature briefly break the glassy surface of Loch Ness, then disappear.