reflection
发表于 2025-3-28 16:26:20
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Ballerina
发表于 2025-3-28 20:53:25
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性别
发表于 2025-3-29 00:26:43
Psychological aspects of singing, for ‘real analytic’ and we assume ∞ < ω.) If X is a differentiable vectorfield on M, t → exp X. .x denotes the integral curve of X passing through x at t =0; for each fixed t ε R, exp X. is a diffeomorphism of an open (possibly empty) subset of M onto another open subset of M.
蒸发
发表于 2025-3-29 05:29:45
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驾驶
发表于 2025-3-29 08:21:21
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entrance
发表于 2025-3-29 14:26:31
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Increment
发表于 2025-3-29 19:38:09
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Generosity
发表于 2025-3-29 20:06:25
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BARB
发表于 2025-3-30 03:46:38
Controllability in Nonlinear Systems, the Lie algebra of vector fields associated with each nonlinear system. These ideas are used to obtain a generalization of a controllability result for linear systems in the case where multiplicative controls are present.
蛰伏
发表于 2025-3-30 06:28:16
1389-2185 n of the state variables is not free to evolve in a vector space but rather must satisfy some constraints. Examples are numerous; in a switched, lossless electrical network energy is conserved and the state evolves on an ellipsoid surface defined by x‘Qx equals a constant; in the control of finite s