查询词典 aerodynamic force

A propulsion system for providing the requisite aerodynamic force to enable sustained flight.

1推进系统提供必要的气动力，使持续飞行。

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。

A method using CFD technology is used for accurate prediction of aerodynamic force and heat of air-breathing hypersonic vehicles.

对吸气式高超声速飞行器而言，物面热流和摩阻的准确预测对飞行器设计及安全十分关键。

All of the aerodynamic force must be produced in the absence of any incident flow, meaning lift can only be produced by the powered reciprocating motion of the wing.

所有的空气动力都必须在缺乏任何迎流的情况下产生，意味着只可能通过翼的有动力作用的往复运动来产生提升。

With the development of vehicle technique and highway, and the increasing of vehicle velocity, the aerodynamic force become more and more notable, and the requirement of control stability security and inhabited comfort are higher than before.

随着汽车技术和高等级公路的发展，汽车行驶速度日益提高，汽车在行驶时与空气相互作用的气动阻力也越来越显著，它在很大程度上影响着汽车的经济性、动力性和稳定性。

Of the total aerodynamic force acting on an airfoil or on an entire aircraft or winged missile perpendicular to the relative ''.

空气浮力作用于机翼或整个机身或带翼导弹的整个空气动力学的力的组成部分，与相对''。

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。

The base principal in controlling method is madding aerodynamic force acting on transmission line changed into approximate balance state.

此方法的基本原理是：使作用在输电线上的气动力近似地成为平衡力系，从而控制输电线舞动。

To determining the topological relation between cells is important in the course of computing aerodynamic force for projectiles,rockets and missiles.

建立网格拓扑关系是弹箭气动力数值计算过程中关键的一步。

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。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。