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对于 \dot y = h(y) 且 h(y) > 0 对所有 y >= y_0 ,证明解是全局的当且仅当 (Osgood 准则)。
对于 \dot y = h(y) 且 h(y) > 0 对所有 y >= y_0 ,证明解是全局的当且仅当 (Osgood 准则)。
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