Based on the research results home and abroad, the dynamic behavior and seismic response of Fujiang IV Bridge are studied systematically in this thesis.
本文在总结国内外研究结果的基础上，对绵阳涪江四桥的动力特性和地震反应进行了全面系统的研究。
This article has conducted the research to dynamic response of frame construction, and has made the appraisal about its security under the blasting effect.
本文对爆破作用下框架结构的动力反应进行了研究，并对框架结构在爆破作用下的安全性作了评估。
At present, usually parameters and systems have been optimized by least square techniques and dynamic programming in the research of crop water model and crop response to water and salt.
在作物水模型及作物水盐响应相关研究中，目前多采用最小二乘法进行参数寻优，动态规划法对系统进行优化。
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