| 1. | In economic optimization problems the variables involved are almost always subject to certain constrains .
在经济学最优化问题中所含的变量差不多总是带有某种约束条件。 |
| 2. | Method for determination of economic optimization of power cable size
动力电缆尺寸最经济值测定方法 |
| 3. | Research on the technical and economic optimization of metallurgical industry chain
冶金产业链技术经济优化的研究 |
| 4. | Thermo - economic optimization of heat recovery steam generators for bchp systems
系统中余热锅炉结构参数的热经济学优化 |
| 5. | Calculation of the current rating of electric cables . part 3 : sections on operating conditions . section 2 : economic optimization of power cable size
电缆载流量计算.第3部分：有关运行条件的各节.第2节：电力电缆截面的经济优化选择 |
| 6. | Electric cables - calculation of the current rating - part 3 : sections on operating conditions - section 2 : economic optimization of power cable size
电缆.额定电流的计算.第3部分:操作条件的分类.第2节:电力电缆尺寸的经济优选法 |
| 7. | Electric cables - calculation of the current rating - part 3 : sections on operating conditions - section 2 : economic optimization of power cable size ; amendment 1
电缆.额定电流的计算.第3部分:操作条件的分类.第2节:电力电缆尺寸的经济优选法.修改件1 |
| 8. | Life cycle costing is a technique for determining the most effective capital investment option for achieving technical - economic optimization of a structure / system
寿命周期成本就是一种为实现一个结构或一个系统的技术与经济的最大化而做出的最有效的资金投资选择决定的技术方法。 |
| 9. | With the advancement of science technology , the development of economy and the improvement of people ' s standard of living , power demand is to continue to increase . it is more and more important for power supply department to improve the quality and economic optimization of power supply . it is an exigent problem how to organize the operation of distribution network under its optimized structure
科技进步、经济发展、人民生活水平提供，电力需求不断增长，对供电质量和供电的经济性提出了越来越高的要求，如何组织优化经济的配电网运行结构是电力部门迫切需要解决的问题，论文对此进行了详细的研究。 |
| 10. | Furthermore , the test filters in the paper are of triangle arrange structure which are different from the niexueli ' s . meanwhile the experiment has enriched test types and conditions of this multi - tube hepa filter and deducted the resistance of the system elbow more correctly , so can get more reasonable resistance formulae which establishes the foundation for the further economic optimization
本文实验在聂雪丽研究基础上改用结构阻力更小的叉排结构，并丰富了试验规格和实测工况，同时更准确地扣除了系统弯头静压箱的阻力，从而得出了多管式高效过滤器的实用阻力计算公式，为进一步进行经济性优化奠定了基础。 |
