相似性主要包括几何相似、运动相似、动力相似。
The similarity includes geometric similarity, kinematic similarity and dynamic similarity.
共混过程中的相区尺寸的演变过程具有自相似性，通过求取分形维数，从数量意义上，分析研究相分散动力学过程机理。
The result also show that evolvement process of the phaseregion size has the self-similarity and the fractal dimension can be a good means to study the evolution law of phase dispersion dynamics.
基于鱼类肌肉水动力学的研究，利用鱼类尾鳍与微机器人摆翼运动相似性，对仿生鱼型微机器人摆翼所产生的推进力进行了分析。
Based on motion similarity of microrobot drive fin and fish caudal fin, this paper discusses fish muscle hydrodynamics, and analyzes propulsion force produced by biomimetic fish-like drive fin.
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