查询词典 primal variable

marketing decision variable：销售决策变量

marketing channel 销售渠道 | marketing decision variable 销售决策变量 | marketing expenses 销售费用

complementary decision variable：互补决策变数

"互补基本解","complementary basic solution" | "互补决策变数","complementary decision variable" | "互补最佳基本解","complementary optimal basic solution"

decision vector：决策向量

decision variable 决策变量 | decision vector 决策向量 | decisive 决定的

Declaration of Independence, American：美國獨立宣言

Decision variable 决策变数 | Declaration of Independence, American 美国独立宣言 | Declaration of the Rights of Man and the Citizen 人权法案

decreasing function：减函数

Cubic Polynomial 三次多项式 | Decreasing Function 减函数 | Dependent Variable 依变项

defining equation：定义方程式

"递延年金","deferred annuity" | "定义方程式","defining equation" | "定型变数","defining variable"

degenerate distribution：退化分配

"退化基本变数","degenerate basic variable" | "退化分配","degenerate distribution" | "退化解","degenerate solution"

degenerate simplex：退化单体

退化点集 degenerate set of points | 退化单体 degenerate simplex | 退化变量 degenerate variable

degree of stability：稳定程(裕)度

gain n 增益 | degree of stability 稳定程(裕)度 | complex variable 复变量

Delphinus Delphin m. Dauphin m：海豚

α Cygni variable 天津四型变星 | 海豚 Delphinus Delphin m. Dauphin m. | 狐狸 Vulpecula Fuchs m. Petit Renard m.

dioptric：折射光学的

dioptre 屈光度 | dioptric 折射光学的 | dioptrics 折射光学

Saturdays are fun：星期六很有趣

6. Saturdays are fun.星期六很有趣. | fun 为不可数名词,"快乐,有趣",在此做表语. | That must be fun. 那一定很有趣.