1. Below 4�� water is in continuous expansion instead of continuous contraction. ˮ��4�����²��ϵ����ͣ������Dz��ϵ�������
2. Contraction principle is an important constitution of large deviation theory. ����ԭ���Ǵ�ƫ�����۵���Ҫ��ɲ��֡�
3. This contraction occurs about 6 ms before the larynx muscles begin to contract. �ж���������������ں�����������ǰ6�������ҡ�
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n.
1. (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
2. the process or result of becoming smaller or pressed together
3. a word formed from two or more words by omitting or combining some sounds
4. the act of decreasing (something) in size or volume or quantity or scope