Fixate 发表于 2025-3-21 18:12:10

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延期 发表于 2025-3-21 21:07:19

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Encumber 发表于 2025-3-22 03:37:45

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neuron 发表于 2025-3-22 06:52:56

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我不死扛 发表于 2025-3-22 09:08:34

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相一致 发表于 2025-3-22 13:30:43

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简洁 发表于 2025-3-22 18:39:49

Approximate Response of a Non-linear Vibration Isolation System Subjected to Harmonic Excitation,potential the forces act only in the direction of the line from the origin of coordinates to the position of the particle, i.e. in a system of polar coordinates (r, ϑ,ϕ) the forces act only in the direction of the coordinate .. The motion of the particle in its angular degrees of freedom ϑ and ϕ is

Arthropathy 发表于 2025-3-23 01:07:09

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举止粗野的人 发表于 2025-3-23 02:01:24

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概观 发表于 2025-3-23 08:58:11

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查看完整版本: Titlebook: Modelling; John N. R. Jeffers Book 1982 J.N.R. Jeffers 1982 complexity.information.mathematics.simulation.synthesis.system