It is indicated that apart from stiffness factor of beam to column, the ratio of depth to span and slop of roof greatly affect the stability performance of the portal fr...
研究表明，在均布荷载作用下，除了梁柱线刚度比，刚架高跨比及屋顶坡度对刚架的稳定性能影响很大。
It is indicated that apart from stiffness factor of beam to column, the ratio of depth to span and slop of roof greatly affect the stability performance of the portal frame under roof uniform loading.
研究表明，在均布荷载作用下，除了梁柱线刚度比，刚架高跨比及屋顶坡度对刚架的稳定性能影响很大。
Appearance of private brand strategy causes retail marketing strategy and tactics to carry through transforming uninterrupted in span and depth.
自有品牌战略的出现使得零售营销的战略和战术在广度和深度上不断进行变革。
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