Prestressed technology can improve the strength and rigidity and stability, and adjust the dynamic performance of steel structure.
预应力技术可以改善钢结构的强度、刚度和稳定性，调整钢结构的动力性能。
After the lightening design, the strength, the rigidity and the dynamic characteristics of the bearing structure meet all standard requirements.
轻量化设计后的承载结构的强度、刚度及动态特性满足各项标准的要求。
By using techniques of X-ray diffraction, effects of anthesis date on the dynamic change of cotton fiber super-molecular structure and strength were studied.
选用纤维强度有显著差异的不同类型陆地棉品种，采用X -射线衍射技术，研究了开花期对棉花纤维超分子结构动态变化的影响。
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