To pursue the proper length ratio range of the mechanism, an optimization design mathematic model is made and an example is taken to prove the feasibility of the model.
为了寻求合理的进给机构杆长比范围，建立了优化设计数学模型，并通过实例验证了该模型的可行性。
The optical parameters of grating and intensity ratio among three beams in interferometer are derived from the view of optimization design.
从优化设计的角度求出了光栅的最佳参数以及干涉仪三束光的最佳光强之比；
In the transformation and optimization of ring cooler, the air leakage ratio is an important index for the design department and quality technology department.
在对环式冷却机的改造和优化设计过程中，漏风率也是设计部门和质量技术部门参考的一项重要指标。
The main studying contents of this thesis are optimization-design of the mixture ratio of tunnel's secondary lining concrete and internal structural analysis.
本文的主要研究内容为隧道二次衬砌混凝土配合比优化设计及其结构内力分析。
Eigenfrequency, vibration pattern and damping ratio can be got by modal experiment. Then, these parameters can be used to structural design and optimization.
通过模态试验，可以计算出结构的固有频率、模态振型、阻尼比等参数，为结构设计与优化打下坚实的基础。
In this paper, an effective design optimization method for High-aspect-ratio composite wing skin is presented.
论文以大展弦比飞翼布局机翼蒙皮的优化设计为背景，开展了复合材料层压板结构的优化设计工作。
The design philosophy and method for equal stress ratio of pumping rod are proposed and the corresponding software for optimization design of rod pumping parameters is compiled.
文中还提出了抽油杆等应力比的设计思路和方法，并编制了相应的机抽参数优化设计软件。
Two impellers are redesigned using the optimization system. In the whole mass flow ranges at design rotating speed, the efficiency is improved obviously and the pressure ratio keeps nearly unchanged.
采用所研制软件，对两个离心压气机工作轮进行优化设计，优化工作轮达到在压比近似不变的前提下效率有效提高。
Using different degree of aggregate ratio of quality level, and combined design of optimization.
采用不同的粗细集料质量比例进行级配合成设计，并进行级配的优选。
Method With the volatile oils extracting ratio of Nutmeg as optimization targets, the extraction factors affected the volatile oils extracting ratio were optimized by uniform design.
方法采用均匀设计法，以肉豆蔻挥发油的提取率为指标，对影响挥发油提取率的因素进行优化。
The combination of a N-S equation flow solver with a nonlinear optimization method is used to design a new airfoil with high ratio of lift over drag.
使用解析形状函数法和参数化翼型表示方法，将求解绕翼型流场的N S方程解与优化方法相结合，可设计出新的高升阻比翼型。
The combination of a N-S equation flow solver with a nonlinear optimization method is used to design a new airfoil with high ratio of lift over drag.
使用解析形状函数法和参数化翼型表示方法，将求解绕翼型流场的N S方程解与优化方法相结合，可设计出新的高升阻比翼型。
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