基本解释存在唯一性同根派生 existence-uniqueness相关词英汉例句Under some relatively strong assumptions, I achieve the Existence and Uniqueness Theorem, Comparison Theorem, Convexity Theorem.并且在效用函数满足比较强的条件下，得到了定价系统解的存在唯一性定理，比较定理，凸性定理。existence-uniqueness更多例句