Cyclone
发表于 2025-3-21 18:38:02
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有权威
发表于 2025-3-21 22:17:22
Differential Variational Formulations,n a point mass is acted upon by a set of forces resulting in ., it will acquire a linear momentum ., such that.Consider now an increment of work done by the force ., as well as by D’Alembert’s inertial force ., as the point mass undergoes an imagined virtual displacement δr. Then.because of relation
legislate
发表于 2025-3-22 02:22:26
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常到
发表于 2025-3-22 08:18:20
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发起
发表于 2025-3-22 11:21:40
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micronutrients
发表于 2025-3-22 14:46:33
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匍匐前进
发表于 2025-3-22 17:44:51
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冷峻
发表于 2025-3-22 22:49:13
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Androgen
发表于 2025-3-23 03:16:38
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Connotation
发表于 2025-3-23 09:00:22
0925-0042the beginnings of analyti cal mechanics mark also the beginnings of the theoretical treatment of other physical sciences, and contributors to analytical mechanics have been many, inc1uding the most brilliant mathematicians and theoreticians in the history of mankind. As the foundation for theoreti