摄动问题 perturbed problem 发散思维在解决抛体运动问题中的运用 apply divergent thinking on solving problem of projectile motion ..
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研究了具有边界摄动的二次方程奇摄动问题。
In this paper, the singularly perturbed problems for a class of second degree equations with boundary perturbation are considered.
讨论了一类超抛物型方程的非线性奇摄动问题。
A class of nonlinear singularly perturbed problem with ultra parabolic equation are considered.
研究小干扰力作用下约束哈密顿系统对称性的摄动问题。
The perturbation problem of symmetries for constrained Hamiltonian systems under the action of small excitation is studied.
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