1. One obvious impact is the radical alteration of the land surface. һ���Զ�����Ӱ���Ǵ�ر�����ҵĸı䡣
2. Contains in it the germ of the future when there is no alteration. �����ǰ�����δ�������ӣ�����ʱ������û�иı䡣
3. Alteration is very extensive in some areas and serpentinites are common in Greece. ��һЩ����ʴ�����÷dz��㷺����ϣ���������dz����ġ�
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n.
1. an event that occurs when something passes from one state or phase to another
2. the act of making something different (as e.g. the size of a garment)
3. the act of revising or altering (involving reconsideration and modification)
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alteration �˻�;
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capital alteration �ʱ����;
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