前提 1.[逻辑学] premise 大前提 major premise; 小前提 minor premise; 在 ... 的前提下 on the premise of2.(必要的条件) prerequisite; presupposition; antecedent; precondition 必要的前提 essential prerequisite; 安定团结是实现四个现代化的前提。 stability and unity are a prerequisite to the four modernizations
假定 1.(姑且认定) suppose; assume; grant; presume; fiction; let; on the supposition (of); on the supposition that 假定 a等于b。 suppose a equals b. 让我们假定另外有一个具有和地球上相似条件的行星。 let us suppose another planet with conditions similar to those on the earth. 假定这是真的 ...。 assuming this to be true ...; 在未听到对他不利的证言之前, 你假定他是无罪的。 you assume his innocence before hearing the evidence against him.2.(科学上的假设, 从前也叫假定) hypothesis 新的发现已证明那个假定是无根据的。 the new discoveries have falsified that hypothesis.3.[数学] assumption; postulation; presumption; 假定成本 assumed cost; hypothetical cost; 假定负债 nominal liability; 假定利息 assumed interest; hypothetical interest; 假定载荷 assumed load; 假定值 assumed value; assumption value; 假定指令 presumptive instruction
Based on thoma supposition and basic equations of surge tank , a few formulas were proposed for the stable sectional area of tailrace surge tank on complicated tailrace system 摘要在托马假定前提下,从调压室基本方程入手,推导复杂尾水系统的尾水调压室稳定断面计算公式,并通过工程实例进行验证。
In order to explain the competitive advantage on the economic view this essay sets a quantitative model to describe competitive advantage . the model originates from porter ' s definition of comparative advantage under the imperfect competition market . two changing models that are horizontal model and vertical model are deduced from the quantitative model 为了能够从经济学角度解释竞争优势,本文根据波特对竞争优势的定义,在不完全竞争的假定前提下,用一个扩展的消费者剩余模型来定量地分析竞争优势,在此基础上推导出竞争优势的两个演变模型,即横向演变模型和纵向演变模型。