This thesis is devoted to calculation of the effective properties and topology optimization of light-weight composite materials.
本文密切结合航空、航天工业发展的需求，系统地研究了复合材料等效性能的预测和设计问题，致力于复合材料等效性能研究和复合材料的优化设计。
This paper presents a finite element method for predicting the effective elastic properties of composite materials based on the least square method.
在最小二乘意义下提出了一种计算复合材料等效弹性性能的有限元方法。
In order to compare the performance of electric-driven compression type refrigerating machine and steam-driven lithium bromide absorption machine,defines a modified performance coefficient—equivalent performance coefficient based on the analysis of existing indices for electric-driven compression type refrigerating machines.
为便于比较电动压缩式制冷机与蒸汽溴化锂吸收式制冷机的性能,在对现有制冷机性能评价指标分析基础上,提出了修正后的电动压缩式制冷机的性能系数———等效性能系数。
Utilizing the character of the spring oscillator acted on by an invariable force,this paper tries to put forward the concept of the equivalent force and the equivalent potential energy of the spring oscillator.
针对在恒力作用下弹簧振子系统的特殊性 ,提出了等效弹性力和等效弹性势能的观点。
The Damage Model of Jointed Rock Mass Equivalent Behavior and Numerical Simulation;
节理岩体等效性能的损伤模型及其数值模拟
Equal in force, power, effectiveness, or significance.
相等的力量、能力、效力、或重要性等相等
EFFECTIVE MECHANICAL PROPERTIES OF ORTHOTROPIC KAGOME HONEYCOMB MATERIALS
正交各向异性Kagome蜂窝材料宏观等效力学性能
Equivalent Prameters Computation of Periodic Composites for Dynamic Coupled Thermoelasticity Problems
周期复合材料等效热弹性性能的数值计算
It is expected to provide high performance and high fuel efficiency at slower speeds as well.
它可望提供高性能和高燃油效率较慢的速度等.
It is easier to say that the equivalence of mass and energy is an experimental fact.
说质能等效性是实验事实，那是毫不费力的。
Research on Equivalent Models of the Mechanical Function for Aluminium Honeycomb Sandwich Panel;
铝蜂窝夹层板的力学性能等效模型研究
Nida s Functional Equivalence Theory and its Actual Results in Translation Practice;
奈达“功能对等”理论及其在翻译中的实效性
Process Theory of Transitivity and Equivalent Translation of Semantic Functions Between English and Chinese;
及物性过程理论与英汉语义功能等效翻译
Research on the Equivalent Circuit and Dynamic Performance of the Permanent Magnet Synchronous Motor
永磁同步电动机等效电路及动态性能研究
non-equivalence of drug effect
药物效应的非等效性
The Application of the Stepwise Equivalence T-Test and its Evaluation of the Medical Efficacy;
逐步生物等效性t检验及在药物效能评价中的应用
Transmission Performance Analysis of Radomes Based on Multilayer Thin-Dielectric-Sheets Equivalent Model
基于多层薄介质片等效模型的天线罩传输性能高效数值分析
Aging of Surface Properties of High Performance Fibers Treated with Atmospheric Pressure Plasma;
常压等离子体对高性能纤维改性处理的时效性研究
Equivalence Study of Test Methods for Isolation Parameters of Reactive Compensation Equipments
无功补偿装置绝缘性能参数测试方法等效性研究
The Concepts and Application of "Equivalent Centrifugal Potential Energy" and "Valid Potential Energy";
“等效离心势能”和“有效势能”及其应用
equivalent impedance of nonlinear element
非线性元件等效阻抗
Measurements of the electrical properties of low-power electronic tubes--Methods of measurement of equivalent noise resistance
GB/T3306.11-1982小功率电子管电性能测试方法等效噪声电阻的测试方法