decision n. 1.决定。 2.判决。 3.决议。 4.决心;决断。 5.【美拳】(根据分数而不是根据击倒对方做出的)裁判。 a man of decision 有决断力的人,果断的人。 come to a decision 做出法定。 decision by majority 取决于多数。 give a decision for [against] 判决对…有利[不利]。 with decision 断然。 decision table (列出对付某问题各项可选择办法的)决策表。
The effective heat - transfer temperature difference ( t _ i ) of every effect of multi - effect evaporation subsystem and the preheat temperature rise ( t _ ( p , j ) ) of every level of multi - level preheat subsystem of the design model were distributed by equal heating area , equal heat - transfer temperature difference , and free proration methods . the simulation of design has been conducted by matrix method combined with iterative method . the free proration method transformed the decision variables from t _ i and t _ ( p , j ) with complex restriction into _ i 、 _ p , jwith the value range of 0 1 , and provided a simple and convenient method for optimum design 操作型模型分别以t _ 0 、 t _ k 、处理量f _ 0 、出料浓度x _ ( az )等不同控制变量为未知变量并采用矩阵法结合迭代法进行操作模拟计算;在操作模拟计算的基础上,建立了复杂多效蒸发系统操作优化模型,该模型以浓缩成本最小为优化目标,以t _ k和f _ 0为决策变量,采用遗传算法结合矩阵法求解。
Related theories of network optimization are summarized . optimal methods used in traffic engineering and constrained - routes are stated . according to the object - function , decision variables and constraining conditions several types of optimal problems and solutions are proposed 本文还概括了网络优化的相关理论,阐述了可用于流量工程和基于约束路由的优化方法,按照目标函数、决策变量和约束条件分类,提出了几种不同类型的优化问题及解决方法,就典型的网络优化问题进行了归纳总结。