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Titlebook: History and Speculative Fiction; John L. Hennessey Book‘‘‘‘‘‘‘‘ 2024 The Editor(s) (if applicable) and The Author(s) 2024 Science Fiction.

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楼主: lexicographer
发表于 2025-3-30 11:39:39 | 显示全部楼层
Ashleigh Harrisl differential equations of order higher than one are so diverse that a general theory can hardly be built up. There are several essentially different kinds of differential equations called elliptic, hyperbolic, and parabolic. Regarding the construction of solutions of Cauchy, mixed and boundary val
发表于 2025-3-30 12:33:37 | 显示全部楼层
Janne Lahtil differential equations of order higher than one are so diverse that a general theory can hardly be built up. There are several essentially different kinds of differential equations called elliptic, hyperbolic, and parabolic. Regarding the construction of solutions of Cauchy, mixed and boundary val
发表于 2025-3-30 17:38:32 | 显示全部楼层
Ella Andrénture: it is as if certain systems are periodically reset in an initial state. A paper of Van der Pol in the Philosophical Magazine of 1926 started up the investigation of this highly nonlinear type of oscillation for which Van der Pol coined the name "relaxation oscillation". The study of relaxation
发表于 2025-3-31 00:46:20 | 显示全部楼层
ture: it is as if certain systems are periodically reset in an initial state. A paper of Van der Pol in the Philosophical Magazine of 1926 started up the investigation of this highly nonlinear type of oscillation for which Van der Pol coined the name "relaxation oscillation". The study of relaxation
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