空气动力

The analyses show that the break of the aerodynamic force causes the disturbance.

分析认为，空气动力在控制过渡过程中发生突变导致了这种扰动的产生。

This force is made up of tire,aerodynamic,and gravitational force components.

该作用力由轮胎，空气动力以及重力构成。

The aerodynamic force that is applied in a downwards direction as a car travels forwards.

当赛车向前运行时，向下方向加载在车身上的一组空气动力。

Results predicted by this method are compared with experimental data and the accuracy of this method is found to be very good within the constraints of slender body theory. This method can quickly and accurately provide aerodynamic force coefficient for percept and preliminary design of the non-circular cross section missile.

经过对大量风洞实验模型的预测结果和实验结果的比较，表明该方法在细长体理论的范围内具有较好的精度，易于实现，可以为非圆截面导弹总体方案论证和初步设计阶段提供空气动力特性。

Downforce 下压力 The aerodynamic force that is applied in a downwards direction as a car travels forwards.

当赛车向前运行时，向下方向加载在车身上的一组空气动力。

In the second year, some empirical methods will be adopted to establish aerodynamic force and moment models for typical aircraft.

第二年开始应用飞机资料库方法，多方建立飞机空气动力与力矩模式。

Wind tunnels in general are used for testing purposes and aerodynamical optimization.

译文风洞大体上讲是用来得到测试试验结果和空气动力的最佳化。

Two-equation turbulence model is used in numerical simulation for the side-air burner, compared with the practical measures and tests, good accordance achives. This method can bring great convenience in analyzing aerodynamical field of boiler. Secondly the method of XRD is used in analyzing the phase transformation in the course of dynamic slagging test, so we can describe the process of slagging comparatively accurately. Last this paper introduces a kind of fuzzy mathematics model which comprises an assemblage combined by seven change factor.

本文首先采用k—ε双方程模型对水煤浆侧边风燃烧器进行了数值模拟，并与实际锅炉燃烧器冷态调试试验结果对比，结果吻合较好，这为我们分析炉内空气动力场特性提供了参考；其次对锅炉结渣动态特性试验，采用XRD的分析方法，较为准确的描述了实际锅炉结渣的过程；最后为了准确的判断出水煤浆的结渣倾向，本文对锅炉结渣的七个影响因素提出了模糊综合判断模型，正确的反映出了该水煤浆的结渣倾向。

Some specific measure about reducing lifting force and yawing moment are advanced.

分析了作用于汽车上的空气动力对汽车直线行驶及横向稳定性的影响，介绍了减少汽车空气升力及横摆力矩的方法

The fiber are successfully used in the practical noise control. The model of aerodynamics in the course of the intermittence exhaust is simplified into exhaust problem of two stage series cylinder. Digital calculation program which can really imitate aerodynamics characteristics in the exhaust process is established. A simple formula which can be used for calculating the volume of the silencer expansion chamber is established.

作者指出间歇性排气过程的空气动力模型可简化为两级气缸串联的排气问题，编制的数值计算程序真实地模拟了排气过程中的空气动力学特性，建立了消声器膨胀消声室体积大小计算的表达式。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。