As a user, you should be aware of the performance characteristics and optimization techniques for each approach.
作为用户，您应当了解每种方法的性能特征和优化技巧。
However, optimization decisions are a complex function of various attributes, including the database environment and query characteristics, as well as the data itself.
然而，优化决策是各种属性的复杂函数，这些属性包括数据库环境、查询特征以及数据本身。
The lifting mechanism after optimization features better characteristics curves of lift force factor and hydraulic pressure.
优化后的举升机构，有较好的举升力系数曲线和油压特性曲线。
Dynamic simulation of lithium bromide absorption chiller can reveal its dynamic characteristics as well as realize the optimization of design and energy saving.
对溴化锂吸收式制冷机进行动态仿真可以了解其动态特性，进而实现优化设计，利于节能节材目标的实现。
This paper presents the characteristics of the slab bridge without beam and presents the relative numerical and optimization methods of the structural analysis.
介绍了无梁板桥的特点以及其结构分析中的数值方法与优化方法。
By optimization design on the configuration and electromagnetism parameters, the output torque can be effectively enhanced with lower moment of inertia and faster response characteristics.
通过合理设计电机的结构参数和电磁参数，可有效提高电机输出转矩，降低转动惯量，提高电机响应特性。
Based on the structural characteristics of bearing flange, the optimization model is established according to the objective function, design variables and constraints, and make a static analysis.
基于支承法兰盘的结构特征，通过目标函数的建立、设计变量的选取以及约束条件的确定建立了优化设计的有限元模型，并对法兰盘进行了静力分析。
Through analyzing the filling characteristics of polygonal contours, an optimization method of scanning vectors for filling sectional contours was presented.
通过分析多边形轮廓的填充特点，提出了一种填充扫描矢量方向的优化方法。
In order to achieve the best characteristics of the setting value tracking and the disturbance rejection, a PID controller optimization design method is put forward.
为使PID控制器同时具有给定值跟踪和抑制干扰两个方面的最佳特性，提出了PID控制器优化设计方法。
The software of machine tool structure Modal Analysis and Optimal Design (MAOD) can be applied to the analysis and optimization of dynamic mechanical characteristics on a microcomputer.
机床结构模态分析与优化设计软件MAOD使机床结构动态特性的分析及其优化可以在微型机上完成。
The effects of damper technical parameters on its power characteristics must be determined in the design process to save optimization time and reduce development cost.
在防振锤的设计过程中，需确定防振锤各技术参数对防振锤功率特性的影响程度，以节省优化时间，减少试制费用。
Analyzing the characteristics of Taguchi method and tolerance model of robust design, we advance a new strategy of robust optimization design process based on Taguchi method and tolerance model.
分析了田口方法和容差模型法的各自特点，提出了一种综合运用两种方法使其互补的稳健优化设计进程策略。
The methods to reduce the machine tool thermal deformation are: thermal error modeling and compensation, temperature control, optimization design of thermal state characteristics.
减少机床热变形的方法为：进行热误差建模和补偿，温度控制，热态特性优化设计。
The characteristics of distributed database are introduced in this paper, common used query optimization algorithms are provided are provided, and the method of selection algorithm is given.
介绍了分散式数据库的特点，详细阐述了常用的查询优化演算法的思想，分析了优缺点，给出了演算法选择的方法。
Aiming at characteristics of dynamic supply chain management under networked manufacturing, distributed model predictive control was applied to solve dynamic optimization control in supply chain.
针对网络化制造环境下动态供应链管理特点，利用分布式模型预测控制技术解决供应链中动态优化控制问题。
Aimed at the characteristics of short-term electrical load forecasting, an algorithm based on multi-objective particle swarm optimization is proposed in the paper.
针对短期负荷预测的特点，提出一种基于多目标粒子群优化算法的短期电力负荷预测法。
Study of the dynamic output characteristics of arc welding power supply is of great significance for optimization of welder design, control of welding process and improvement of welding quality.
弧焊电源的输出动态特性的研究，对优化焊机性能、焊接过程控制和改善工艺效果有重要意义。
These characteristics include objects, methods, inheritance, class library, durability, query, query optimization, integrity, concurrency, performance and schema modification.
这些特征包括：对象、方法、继承性、类库、持久性、查询、查询优化、完整性、并发性、性能和模式修改。
Multidisciplinary design optimization (MDO) was used in conceptual system design for lunar exploration satellite according to the task and characteristics of the lunar satellite in this paper.
根据月球探测卫星任务及环境的特点，在将多学科设计优化(MDO)方法用于卫星总体概念阶段的设计。
According to the characteristics of the coal management system of power plants, an online coal blending optimization model is established for plant operation.
针对电厂燃煤管理系统的运行特点，提出了适合电厂运行的在线配煤优化模型。
The heat transfer characteristics and optimization of external tube heat tracing system are numerically analyzed with the help of software FLUENT.
利用FLUENT软件，对外伴管伴热体系传热特性及其优化进行了数值分析与讨论。
According to the existing problem in production of stripping, the double-tower and parallel connection process and its characteristics, and optimization of operation control were discussed.
针对传统汽提生产流程存在的问题，论述了双塔并联工艺及其特点和操作控制的优化过程。
This paper has also made some research on the access framework based on user classification, the user management and the characteristics of authorization, and efficiency optimization.
本论文对平台不同用户的安全访问框架进行了研究，对平台的用户管理和授权特性进行了研究，对平台的效率优化和可用性进行了研究。
Analyses the characteristics of energy consumption of HVAC systems, and presents the status of the controller auto-tuning, set-point optimization and energy management for HVAC systems.
分析了暖通空调优化能量消耗的特点，介绍了暖通空调控制系统基础控制器参数整定、工作点优化和能量管理的现状。
In order to obtain a general optimization model, study on substantial characteristics of the mathematical expression of hydrodynamic bearings profiles was brought forward.
为了得到通用的优化模型，对动压轴承型线数学表达式的本质特点进行了研究。
Logistic vehicle routing problem is combination optimization that is difficult to solve. Due to its NP characteristics, we can't get satisfying results when we use exact approaches.
配送车辆优化调度问题是一类求解较难的组合优化问题，由于其NP难特性，采用精确优化方法有一定的局限性，不能得到令人满意的结果。
According to the characteristics of adaptability in GA, the optimization model of teaching assignment distribution is made and the scheme is carried out.
建立教学任务分配的优化模型，结合遗传算法自适应搜索优化解的特点，给出了其遗传算法实现的方案。
Based on analyzing the encoding characteristics of POCSAG carefully, the Problem can he abstracted as a special Traveling Salesman Problem, soa mathematical model of optimization encoding is set up.
经过对POCSAG码编码特性的分析，这一问题可以抽象为一个特殊的旅行商问题，从而得出优化编码的数学模型。
This paper expounds the characteristics of tension leveling and application in copper fabricating industry, and studies the selection and optimization for the main technological parameters.
本文论述了拉伸弯曲矫直技术的特点及其在铜加工领域的应用，同时探讨了相关工艺参数的选取和优化等问题。
This paper expounds the characteristics of tension leveling and application in copper fabricating industry, and studies the selection and optimization for the main technological parameters.
本文论述了拉伸弯曲矫直技术的特点及其在铜加工领域的应用，同时探讨了相关工艺参数的选取和优化等问题。
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