Scientists warn the wetlands are losing the lining that once retained water, with deep cracks opening up in the worst areas.
科学家们对此提出警告，他们表示，湿地正渐渐失去它保持水分的那一层，而有些地方甚至已经露出了深深的裂缝。
Farmers noticed that the well walls had deep cracks in them. A smelly gas came out of the cracks.
农夫注意到，水井的井壁上有深深的裂缝，裂缝里冒出臭气。
This paper introduces an impact elastic-wave based NDT method suitable for detection of such deep cracks.
本文提出了一种基于冲击弹性波的无损检测技术（简称表面波法）。
The application of inter borehole acoustic wave method to probing deep cracks in mass concrete can effectively solve the above mentioned problems.
而应用声波跨孔法进行大体积混凝土结构的深裂缝检测可有效地解决上述问题。
A European satellite image of the entire glacier tongue shows the ice body's rugged surface. Deep cracks-crevasses-give the glacier tongue its rough texture.
欧洲卫星拍摄的一张冰舌全景图像展示了冰川崎岖不平的表面，深深的冰裂缝使得其表面如此粗糙。
A European satellite image of the entire glacier tongue shows the ice body's rugged surface. Deep cracks-crevasses-give the glacier tongue its rough texture.
欧洲卫星拍摄的一张冰舌全景图像展示了冰川崎岖不平的表面，深深的冰裂缝使得其表面如此粗糙。
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