Animal migration, however it is defined, is far more than just the movement of animals.
无论如何定义，动物迁徙都远远不止是动物的移动。
Objective To study the mechanism of tooth mesial migration with animal experiment.
目的通过动物实验对牙齿近中移动的发生机制进行探讨。
Objective To study the mechanism of tooth mesial migration with animal experiment.
目的通过动物实验对牙齿近中移动的发生机制进行探讨。
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