considerable 发表于 2025-3-26 22:38:12
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Constrained Motion,on the object. This is, of course, also the case for constrained motion. But in many cases it is not practical to include the forces that restrict the motion, either because we do not have good models for them, or because we would rather like to determine these constraining forces from what we know声明 发表于 2025-3-27 07:23:15
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http://reply.papertrans.cn/64/6366/636567/636567_34.pngForage饲料 发表于 2025-3-27 15:51:28
The Role of Grain Boundaries and Surfaces in Ceramics978-1-4899-6311-6Nostalgia 发表于 2025-3-27 17:51:08
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