研究结果表明：在所考察的试验因素中，含水量对粘附力的影响最大，其次为土壤载荷和载荷作用时间。
The results showed that soil moisture content, normal load, load dwelling time, and their interactions had important influence on the soil adhesion.
不同作用时间的矫形力下颞下颌关节间隙改变无明显差异。
There was no obvious difference on the change of the TMJ space in different period of functional treatment.
目的：为了研究在正畸力作用下，力值与作用时间不同时牙周组织中各种酶活性与分布的变化规律。
AIM: To study the rules of activation and distributing of enzymes in periodontium during the correction force.
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