昆虫在空中各种姿态的空气动力学特性、原理、计算方法。
Study on the aerodynamics, theory and design methods for robot insects flying postures.
随着列车车速的日益提高，了解列车空气动力学特性变得越来越重要。
With the improving of speed of train, understanding the aerodynamic characteristics of train becomes more and more important.
本文开展了弧形翼及翼-身组合体在超高速下的空气动力学特性研究。
The research on aerodynamic characteristics of wrap-around fin and wing-body combination was carried out at super high speeds in this dissertation.
根据翼帆空气动力学特性和受力分析结果，设计并搭建翼帆回转液压实验台。
According to the aerodynamic characteristics and force analysis of the wing-sail, a slewing hydraulic experimental table is designed and established.
本文对采用二氧化碳作为基本工作流体的半闭环燃气轮机循环的空气动力学特性进行了详尽的分析。
The aerodynamic performance of turbomachinery for an gas turbine engine based on a semi-closed cycle employing carbon dioxide as the primary working fluid was analyzed.
试验结果表明，该模型在空气动力学特性变化强烈和动力学尾流效应起主要作用的地区有更准确的预测。
The result indicated that more accurate predictions are expected in situations where local aerodynamic characteristics strongly vary with time and where dynamic wake effects play a significant role.
羽毛很可能在几百万年的时间跨度中就进化出越来越多的空气动力学特性，并最终使得恐龙可以在树木之间滑行。
Feathers may have become increasingly aerodynamic over millions of years, eventually allowing dinosaurs to glide from tree to tree.
为了研究列车车头形状的变化，给空气动力学特性带来的影响，尤其是对车头阻力的影响，本文提出了五种列车车头模型。
In order to research how changing the figure of the train head influences aerodynamic characteristics, especially train head, the thesis brings forward five kinds of models of train head.
以70 0系电动车组的开发为主线，论述了新干线电动车组在实现提速的过程中，是如何改善并且有效地利用空气动力学特性的。
With the development of the70 0 series EMUs, described is how to improve and effectively make use of the pneumatic dynamics features of the Shinkanson EMUs in the course of speed increase.
把其作为可吸入颗粒物来研究，可以使我们从空气动力学的角度，得到其温度、时间、粒径、湿度、吸附等诸多特性。
The character of temperature and time and particle diameter and humidity and adsorption and so on May be obtained from air dynamics when this fine particle is as absorbed particle.
应用空气动力学、工程热力学理论，推导空气弹簧垂向动态特性分析的数学模型，经过试验验证模型的正确性。
Based on the theory of aerodynamics, engineering thermodynamics, the mechanical model for air spring vertical dynamical characteristics analysis is built and proved to be correct by test.
随着速度的增加，高速列车空气动力学问题也显露出来，需要加强对气动特性的分析。
With the increase of speed, aerodynamic problems of such trains are emerging. Aerodynamical analysis has got to be strengthened.
结果表明：该新型空气动力学装置明显地改变了厢式货车周围流场特性；
The results indicates that the new aerodynamics device significantly changes the flow characteristics around the van.
结果表明：该新型空气动力学装置明显地改变了厢式货车周围流场特性；
The results indicates that the new aerodynamics device significantly changes the flow characteristics around the van.
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