虚构的东西 发表于 2025-3-30 11:03:39
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for more than 50–70 years. The necessity to survey the technical state of the operating buildings to monitor the required parameters of their reliability and safety has recently become one of the most important activity areas for research, design, and construction organizations because of cases ofpulse-pressure 发表于 2025-3-30 18:01:32
Michael Wolfowicz,Yael Litmanovitz,David Weisburd,Badi Hasisim network. We study the dynamics of these nonlinear oscillators (swing equations) as random perturbations of two-dimensional periodically driven Hamiltonian systems. The phase space for periodically driven nonlinear oscillators consists of many resonance zones. It is well known that, as the strength南极 发表于 2025-3-30 21:11:52
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http://reply.papertrans.cn/95/9417/941629/941629_55.pngIatrogenic 发表于 2025-3-31 05:35:23
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