存在: exist; be性: nature; character; dispositi ...引入: lead into; draw into; pull-i ...问题: question; problem存在性: existential quantification; independent existence; seiendheit边值问题解的存在性: existence conditions for second order neumann boundary value problems反应性引入: reactivity insertion嵌入问题: imbedding problem再入问题: re-entry problem反应性引入率: reactivity insertion rate切入问题核心: getting down to brass tacks市场准入问题: market access problems不存在性: nonexistence存在性定理: existence theorem存在性服务: existent service存在性证明: existence proof解的存在性: existence of solution客观存在性: outness唯一存在性: unique existence幼虫存在性: larval availability模型的存在性: the existence of models反应性线性引入: raminsertion of reactivity反应性引入事故: reactivity insertion accident根的存在性定理: existence theorem for roots性机能存在性矮小: nanosomia sexualis
