existence theorem
存在定理：数学中的一种定理
常用释义
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基本释义
- 存在定理：数学中的一种定理，用于证明在特定条件下某种对象或解的存在。
例句
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1·The proof of existence theorem is given.证明了存在定理。
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2·An existence theorem of continuous signal transfer operator is given.证明了连续信号传输算子的存在定理。
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3·A new existence theorem is obtained by applying the degree theory on cone.利用锥上的度数理论获得了一个新的存在定理。
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4·A new existence theorem on cyclic difference sets is introduced in this note.本文介绍了一个循环差集的存在性定理。
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5·As its application, we give a new proof of the existence theorem of prime models.作为其应用，我们给出了素模型存在定理的另一种证明。
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6·In this paper, an existence theorem of Q-processes for the both infinite case is established.本文对“双无限”生灭拟Q矩阵，得到了生灭Q过程的存在定理。
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7·Using the principal curvature formula, we prove an existence theorem of Weingarten hypersurface.并利用主曲率计算公式证明了W-超曲面的一个存在性定理。
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8·The uniqueness and existence theorem for a nonlinear fourth-order boundary value problem is established.研究一类非线性四阶常微分方程两点边值问题，得到一个存在唯一性定理。
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9·The existence theorem of expected utility function was the most important conclusion in expected utility theory.期望效用函数存在定理是期望效用理论中最重要的定理。
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10·An existence theorem of twin positive solutions is established for a nonlinear fourth-order two-point boundary value problem.对于非线性四阶两点边值问题建立了一个孪生正解的存在定理。