根据岩石的力学性质，分析了软岩巷道被动维护变形的力学过程，提出主动支撑的力学原理。
On the base of the rock mechanical properties, the mechanical deformation process of the passive maintained soft rock tunnels was analyzed, the mechanical principle for the active support is raised.
该结构采用一种地面被动适应技术，使得腿部可根据地面情况自动调整伸缩长度，以获得较为稳定的支撑。
The construction of the legs of the robot adopts a technology of passive terrain adaptation, which makes the legs adjust their length automatically in accordance with the condition of terrain.
在结构中设置耗能支撑是多高层建筑减轻地震灾害、实现结构被动控制的有效途径之一。
It is one of the effective methods to reduce the earthquake disaster of multi-story and high buildings and achieve passive control of structure by assigning energy dissipation brace in the structure.
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