结构骨架 meaning in Chinese

structural framework
structural skeleton

The architectural skeleton is then incrementally fleshed out with details
然后，逐步用细节充实体系结构骨架。
Furthermore , some parameters that affect the restoring force model of concrete filled steel tubular structure were studied , including axial compression ratio , steel ratio and material strength
并进一步研究了轴压比、含钢率、混凝土强度和钢材强度等对结构骨架曲线的影响。