查询词典 optimization

The object of optimization includes different aspects of structural engineering This paper attempts to review the state-of-art of the applications of optimization technique to the design of civil engineering structures, such as beams, purlins, frames, bridges, guyed masts and building systems with emphasis on mathematical models used and the economical benefits obtained.

优化的对象涉及结构工程的各个方面。本文试图综述各国在土建结构设计中运用优化技术的概况，类如梁、懔条、框排架、桥梁、桅杆以及建筑体系等，着重于所采用的数学模型与经济效果。

Since the method makes joint optimization to the the number of transmission sublayers and the protection level according to the feedback parameter, it can be more adaptive to the channel situation and can obtain higher performance compared with MDFEC method proposed by Puri, which design the object functions and perfoms optimization according to the fixed channel situation.

同时由于该方法根据反馈的出错分组数进行传输子层数和纠错强度的联合优化，与Puri等人提出的按照确定信道条件设计目标函数进行优化的MDFEC方法相比，更能够适应信道条件的变化，从而获得更高的性能。

Reducing the overkills and retests in a wafer testing process can be formulated as a stochastic simulation optimization problem with huge decision-variable space . For this problem, we have proposed an ordinal optimization theory based two-level algorithm to solve for a good enough solution.

降低晶圆测试程序中的误宰与重测可以形成一个具有巨大决定变数空间的随机模拟最佳化问题，针对此问题我们提出一个以序的最佳化方法为基础的两层次演算法，来求解一个足够好的解。

Trp and lac operons were usedsas the research object in this paper and two extended mathematical models were proposed on the basis of previous works. The parameters of the model were determined and the results were analyzed. A steady-state optimization model of tryptophan biosynthesis was established based on indirect optimization method. The network analysis was used to lac operon system.

本文以色氨酸操纵子和乳糖操纵子为主要研究对象，在前人的研究基础上建立了较为全面的新的数学模型，确定了模型参数，并对计算结果进行了分析，建立了稳态的优化模型，并利用间接优化法对色氨酸生产过程进行优化；利用网络分析法对乳糖操纵子系统进行分析。

Optimization method is applied to the layout design of mechanisms on trolley in order to maintain an even distribution of optimization design on an example a trolley with given wheel base and track gauge ,using even distribution of wheel loads as an objective funtion and condition of a signle hook lifting trolley as restrictive condition

桥式起重机的大车设有起升机构和小车运行机构，为使小车轮压呈均匀分布，应对大车的机构布置进行优化设计，以知大车轨迹和轴矩为例，以车轮轮压均匀分配为目标函数，按单钩起重大车的条件提出约束条件，对优化设计的结果进行分析如下

By using ZW-100 water-jet loom as an example, the work principle of pump piston for water-jet looms is introduced and the design of the pump piston is carried out by the common optimization design method and fuzzy optimization design method.

以日本津田驹ZW-100喷水织机为例，在介绍喷水织机的工作原理的基础上，对喷水织机的水泵柱塞进行了普通优化设计和模糊优化设计。通过对优化结果的对比分析，得出了采用模糊优化设计优于普通优化设计的结论

Fuzzy optimization design of worm gear in new type valve actuator;2. Fuzzy optimization method was applied to design the worm gear in valve actuator.

将模糊优化设计方法应用于电动装置的蜗杆传动设计，建立了模糊优化数学模型，并对其求解方法进行了详细的说明，通过实例表明模糊优化设计可以使蜗杆传动更加符合客观实际，从而进一步减小电动装置的体积，提高电动装置的效率。

The procedure is applied in two projects:(1) Shanghai Huanqiu finance center tower foundation pit dewatering, the complicated flow state of groundwater is simulated under these conditions which the aquifers deposite layer by layer, the bottom of the aquifers goes deep to 149m, the horizontal flow barrier goes deep to 34m, the extraction wells are penetrated to 55m, the filters of the extraction wells are located between 34m to 55m, and the water level in the deep foundation pit is decreased to 26m under land surface, the result of 8 pumping wells optimization project is designed.(2) The forth subway of Dong Jia-du tunnel repair foundation pit dewatering in Shanghai, the complicated flow state of groundwater is simulated under these conditions which the aquifers deposite layer by layer, the bottom of the aquifers goes deep to 144.45m, the horizontal flow barrier goes deep to 65m, the extraction wells are penetrated to 60m, the filters of the extraction wells are located between 45m to 60m, and the water level in the deep foundation pit is decreased to 42.45m under land surface, then an optimization project is designed.

最后将成果分别应用于两个工程实例中：(1)上海环球金融中心塔楼基坑降水，模拟了在多层含水层复合存在、含水层最深底板埋深达149m、基坑周围挡水连续墙埋深达34m、抽水井埋深达55m、抽水井过滤器埋深为34至55m，基坑内地下水位降至埋深达26m的情况下的地下水复杂流动状态，得出了8口抽水井优化降水方案；(2)上海地铁4号线董家渡隧道修复基坑降水，模拟了在多层含水层复合存在、含水层最深底板埋深达144.45m、基坑周围挡水连续墙埋深达65m、抽水井埋深达60m、抽水井过滤器埋深为45至60m，基坑内地下水位降至埋深达42.45m的情况下的地下水复杂流动状态，确定出了最优降水方案。

Based on maximum entropy two-stage optimization design theory, maximum entropy two-stage optimization design system including truss, beam, frame structures is founded in this thesis.

本文从两相优化的理论出发，研究了基于最大熵准则的桁架、梁和框架结构最小材耗问题，系统地建立了包括桁架、梁、框架结构在内的各主要土木建筑基于最大熵的结构两相优化设计理论构架体系。

With simple coordination relations method, multi-objectives optimization design of V-belt transmission wheel series was transmitted to a single-objective optimization design.

用简便的协调关系法将V带传动轮系的多目标优化设计问题转换成一个单目标优化设计问题。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新