The author researches on the kinetic characteristic of spatial mechanism, brings forward a new kind of general test platforms designing theory and method, finally manufactures the model.
作者研究了空间传动机构的运动特性，并以此提出一种新型通用试验平台的设计理念和方法，最后制作出实例。
The third chapter of ankang city fringe area in different periods of the village horizontally and vertically, the general rule of spatial evolution villages and four evolution model.
第三章对不同时期安康城市边缘区村庄的横向、纵向对比，发现村庄空间演变的一般规律和四种演变模式。
The third chapter of ankang city fringe area in different periods of the village horizontally and vertically, the general rule of spatial evolution villages and four evolution model.
第三章对不同时期安康城市边缘区村庄的横向、纵向对比，发现村庄空间演变的一般规律和四种演变模式。
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