1) design of economic land-saving section
节地经济断面设计
2) economic section
经济断面
1.
An optimal design model of economic section is established based on the problems existed in design of economic section of lining canal by using of system analysis and minimizing the total cost as an objective function.
针对明渠衬砌渠道经济断面设计中存在的问题，应用系统分析的方法，以总费用（或投资）最小为目标，建立了经济断面优化设计模型，并通过区域网格法及计算机模拟运行，得出衬砌渠道在工程费用最省时的全部系统设计参数。
3) economic design
经济设计
1.
Based on the first and second laws of thermodynamic, some methods of thermo (exergy) -economic design for waste heat recovery exchanger have been investigated and the comparison of optimal results among them is made.
以热力学第一、第二定律为基础，对目前常用的几种余热回收换热器热（）经济设计方法进行了探讨，并将优化的结果进行了比较，同时给出了热价、价和电价三者之间的关系。
2.
It is pointed out that during a process with automatic detection, it iseasy to use the economic design of control limit to further reduce the .
从工程实际出发，阐明ＥＷＭＡ用于制作工序控制图的原理和方法；通过时间序列的ＡＲＩＭＡ模型表明ＥＷＭＡ控制图的最优性质及其广泛适用范围（自然也有一定的局限性）；借助于实例说明ＥＷＭＡ控制图的简单制作步骤；最后，结合对经济控制图的研究，指出在自动检测的加工过程中，容易利用控制限的经济设计，进一步降低控制图的操作费用。
6) section design
断面设计
1.
Based on the design process of an elastic gasket section of a domestic metro shield tunnel,the key factors of elastic gasket section design of shield tunnel lining are presented with consideration of the waterproofing mechanism of the elastic gasket,the possible working conditions and the requirements of the lining installation.
以国内某城市地铁盾构隧道弹性密封垫断面设计为背景,从弹性密封垫的防水机理出发,考虑实际工况并结合管片拼装的需要,分析并提出盾构隧道管片弹性密封垫断面的主要设计参数。
2.
This paper discussed some key techniques during the heightening of dam,such as type of heightening,section design,material partition,type of combining face,etc.
本文就大坝加高的结构设计中涉及的加高型式、断面设计、材料分区、新老混凝土结合面的型式等几个关键技术问题进行了探讨。
补充资料：异形断面钢材(见异形断面型材)
异形断面钢材(见异形断面型材)
special section steel
，一、u以uu、’“飞豆on gQngC01异形断面钢材(speeial Seetion steel)见异形断面型材。
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