interminable
发表于 2025-3-21 17:39:46
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无弹性
发表于 2025-3-21 23:55:52
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金哥占卜者
发表于 2025-3-22 02:16:12
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NIL
发表于 2025-3-22 04:54:26
Introduction,ifully made—indeed many of these machines are still in excellent working condition. For about twenty years from 1900, much research and development went into optimising cost and reducing loss. Design techniques were largely tailored to this end. Here one must refer to the early voluminous work of Miles Walker, . (Longman Green, London, 1915).
Axillary
发表于 2025-3-22 09:47:07
Electrical machine dynamics, danger that by formulating equations in a ‘mechanical manner’ and solving them by using a digital computer, one may lose sight of the physical processes that are involved. The approximate methods often help us to obtain a physical insight into the behaviour of the systems.
变化无常
发表于 2025-3-22 14:04:26
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变化无常
发表于 2025-3-22 20:14:21
Introduction,es developed very rapidly. By the beginning of the twentieth century, industry was using machines which were efficient, mechanically strong, and beautifully made—indeed many of these machines are still in excellent working condition. For about twenty years from 1900, much research and development we
Androgen
发表于 2025-3-22 22:36:41
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indices
发表于 2025-3-23 01:54:39
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nostrum
发表于 2025-3-23 08:54:00
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