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- Dual variable technology 对偶变量技术
- This article concerns the shadow cost concept and discusses the relationship between shadow cost and dual price according to linear programming's economic meaning of dual variable and shadow price. 摘要本文根据线性规划问题对偶变数和影子价格的经济意义，给出了影子成本的概念，讨论了影子成本与对偶价格的关系。
- The incommensurability of technology paradigm is featured by the variable technological core and technological belt. 技术范式的不可通约性主要表现在不同技术范式下的技术硬核和保护带之间具有不可通约性。
- On the basis of dual variables variational principle for electromagnetic waveguides, dual edge element is presented in this thesis. 本文基于对偶变量变分原理,参照矢量基有限元的构造,提出了电磁波导的对偶棱边元。
- Research for the pump speed variable technology 水泵调速技术的探讨
- Based on the dual variables,the Hamiltonian system theory is introduced into plane orthotropy elasticity,the transformation from Euclidian space to symplectic space is realized. 通过引入对偶变量，将平面正交各向异性问题导入哈密顿体系，实现从欧几里德几何空间向辛几何空间的转换。
- “Dual” Variable Valve Timing with intelligence (dual VVT-i) technology that acts on both intake and exhaust valves further enhances performance through a wide rpm range. 双智能正时可变气门控制系统（Dual VVT-i）赋予V6发动机更加澎湃的动力。
- From the variational principle for dual variables and combined with the recently developed dual variables FEM, sub-region analysis approach for electromagnetic problem is presented in detail. 从电磁场对偶变量变分原理出发，结合新近开发的电磁对偶元，详细说明了电磁场的子区域分析方法。
- The road opened out into a dual carriageway. 这条路已扩展成了复式车行道。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- Technology is a booming sector of the economy. 技术是一个迅速发展的经济部门。
- A finite increment in a variable. 变量增量变量的有限增量
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- Winds are mainly light and variable. 风力较弱，风向多变。
- The compact disc is a miracle of modern technology. 激光唱片是当代技术的奇葩。
- His dual role as a composer and a conductor made him very busy. 他作曲家和指挥家的双重身份使他非常繁忙。
- A programmed time delay of variable duration. 暂停，展宽一种由程序设置的可变持续时间的时间延迟
- The science and technology of space flight. 航天学，宇宙航行学研究宇宙飞行的科学及技术
