2) the method of controlled variable turning
控制变量转移法
3) control variable
控制变量
1.
Slope stability analysis based on arc height as control variable;
基于弦高控制变量的边坡稳定分析方法
2.
In the model, the melt flow index and melt density were taken as state functions and the feeding rate of hydrogen and comonomer, reaction temperature, discharge from system, feeding rate of catalyst and the fluidized bed level were set as control variables.
介绍了气相法聚乙烯工艺以熔体流动指数和密度为状态变量,以氢气和共聚单体的进料速率、反应温度、系统排放量、催化剂加料速率及床层料位为控制变量的产品过渡优化模型,讨论了利用该模型在最短的切换时间内生产最少数量不合格品的策略,以实现多牌号生产中经济效益的最大化。
4) control variables
控制变量
1.
The paper took an example for the tremendous flood of Huolin River in 1998 and the six control variables——danger coefficient of flood produced, elevation, gradient of ground, rainfall, rate of alkalized soil and the reclaiming grassplot were classified as two main weight variables based influence on the water environment.
以 1998年霍林河特大洪水为例 ,在进行洪水对环境影响作用分析的基础上 ,将洪水发生的危险系数、地面高程、地形坡度、降雨影响程度、土地盐碱率和草地开垦率 6个控制变量划分为两个主分量 。
2.
The state variables and the control variables for each branch room are given and the mathematical models for the branch rooms are also built.
文章以北京大兴县留民营村为例 ,建立了中型 (村庄级 )农业生态工程的数学模型 ,该模型为分室模型 ,由 8个分室组成 ,文中给出了各个分室的状态变量及控制变量 ,建立了各分室的数学模型 ,并应用该数学模型指导了留民营的实际生产建设 ,取得了良好结
3.
The method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables, thus converting the optimal control problem into a nonlinear programming problem, which can be solved numerically.
提出了一种计算在反平方场中采用小推力变轨的最优轨道的直接方法,这种方法采用了近段发展起来的使用分段的多项式来代替状态和控制变量的直接优化方法,然后最优控制问题就转化成可以用数值方法解决的非线性规划问题。
5) Controlled variable
控制变量
1.
This article discusses the question concerning the limit of partial sum of the controlled sequence of independent random varialbes,and proves when controlled variable X conforms to the term: E|X|<+ ∞ and αη> 0,αnn-1↓b(b>0), aη2n-1↑∞, for some sequence {αn},then tim |∑xk| αn-1=0.
本文讨论了受控独立随机变量序列的部分和的极限问题，证明了当控制变量X满足E|X|＜∞，数列{αn}满足αn＞0，αnn-1↓b（b＞0），αn2n-1↑∞时
6) variable control
变量控制
1.
Strategy about variable controlling change of drawing in making CAI courseware;
CAI课件制作中变量控制图形改变的策略研究
补充资料：变量与变量值
可变的数量标志和所有的统计指标称作变量。变量的数值表现称作
变量值，即标志值或指标值。变量与变量值不能误用。
变量值，即标志值或指标值。变量与变量值不能误用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条