AIM: To study the rules of activation and distributing of enzymes in periodontium during the correction force.
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。
Activation through use is the central approach. Multifaceted use of public space is a driving force for the development of vibrant, contemporary and adaptive neighbourhoods.
通过功能激活场所活力是规划中的核心环节，公共空间的多重属性是激发活力、体现时代感和适应周边地区的驱动力。
RD is reduction in diameter. The variation of textures is ascribed to the activation of the different slips and twins which are affected by different effective compressive force.
这取决于不同主压应力所对应开启的不同的孪生及滑移系统。
RD is reduction in diameter. The variation of textures is ascribed to the activation of the different slips and twins which are affected by different effective compressive force.
这取决于不同主压应力所对应开启的不同的孪生及滑移系统。
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