查询词典 aerodynamic force

At high speed, aerodynamic force causes the flap to pivot and fold flush against the fuselage to provide minimal drag.

在高速，气动力的原因皮瓣，以圆形和齐平倍，对机身，以提供最低限度的阻力。

High-speed train, train wind, numerical calculation, aerodynamic force

高速列车，列车风，数值计算，气动作用力

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。

Aerodynamic force,moments,and longitudinal stability derivatives are estimated by three-dimensional low-order panel method.

涉及的气动力、力距和纵向稳定导数等则由三维低阶板块法计算获得。

The base principal in controlling method is madding aerodynamic force acting an 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。

Wind fences can reduce aerodynamic force of railway vehicle in the cross-wind s,and the performances of wind fences might be affected by many factors.

防风栅可降低铁道车辆在横风作用下铁道车辆所受的气动力，其抗风性能受许多因素影响。

A distribution law of aerodynamic force and moment is further developed from the genera formulas cooperating with the Navier-Stokes equation.

利用 Navier-Stokes 方程求出动力学涡量的变化率，进一步把力和力矩表示成一些显式积分。

The static aerodynamic force coe6icients of typical bridge sections are also measured through wind tunnel tests.

本文综合比较了中国、日本等国有关桥梁；风荷载的规范，从中找出了中国桥梁风荷载规范的不足之处。

The background component must be calculated by integration of the product of aerodynamic force covariance and influence function, instead of mode superimposition, while the resonant component only consider the contribution of the 1st mode.

前者不能按振型分解法求解，而应通过对气动力协方差与影响函数乘积积分的方法来计算；后者可只考虑一阶振型的贡献，两者应按平方和开方的原则组合得到脉动风致响应的峰值。

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。