The parallel kinematics machine (PKM), a robot mechanism, has the characteristics of high structure rigidity, high speed, and high exactitude.
并联机构是一种机器人操作机构，其输出终端的动平台具有“高精度、高刚度、高速度”的特点。
The structure rigidity is not uniform, so it is in a disadvantageous condition when imposed by wind or earthquake loads.
由于此钢拱结构的刚度分布极不均匀，对抗震及抗风设计均不利。
The bypass mechanism of valve proper for the heavy duty gas turbine has a large dimension and large welding quantity with poor structure rigidity.
重型燃机旁路机构阀体主体尺寸大、结构刚性差、焊接量大。
The design key of partial single-layer shallow reticulated shell is to ascertain the economical and feasible single-layer area with enough structure rigidity and global stability.
局部单层浅网壳的设计关键在于在满足网壳刚度与整体稳定的条件下，确定经济合理的单层部分的可能布置区域和面积。
Y-axis dual dovetail hard TRDCK structure, rigidity and stability.
轴采用双燕尾硬轨结构，刚性强，稳定性好。
Y-axis dual dovetail hard TRDCK structure, rigidity and stability.
轴采用双燕尾硬轨结构，刚性强，稳定性好。
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