Spatialforcesystem acting on conventional four-bar linkage type of mounting strain clamps is analysed to find the cause of damage.
本文对传统的四连杆式紧线器进行了空间力系分析，找到了致其破坏的力学因素。
2
This paper discusses a new spatial structure-composite grid slab column structure, which is designed to transform single way force into two-way force to form a spatial forcing system.
现讨论一种新型空间结构—组合式网格板柱结构，它使单向受力变为双向受力，从而形成三维受力体系。
3
Urban system is the spatial carrier of FDI, and FDI is the motive force of urban system change.