... bounded below sequence 下有界序列 ordered set bounded below 下有界有序集 be bounded below 有下界 ...
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Here, the nonlinear term is bounded below and need not be nonnegative.
这里,非线性项是下有界的并且不需要是非负的。
An existence theorem of positive solution is established for a superlinear second-order three-point boundary value problem. Here, the nonlinear term is bounded below and need not be nonnegative.
建立了超线性二阶三个边值问题的一个正解存在定理。这里,非线性项是下有界的并且不需要是非负的。
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