这可能会使低层冰变形，破坏其年层，从而造成记录之间的差异。
This may have deformed the lower ice, disrupting its annual layers and thereby causing the discrepancy between the records.
举个例子，如果你把一根只有一端支撑的冰放在一边，没有支撑的一端会在自身的重量下变形，它的一端会变平，变形。
If you leave, for example, a bar of ice supported only at one end, the end, the unsupported end will deform under its own weight, it'll kind of flatten out at one end, get distorted, deformed.
越厚的冰越容易发生变形，是由冰的重量产生的重力造成的。
Deformation is more likely to occur the thicker the ice is, because of the gravity of the weight of the ice.
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