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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。

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。

Boundary flow around an aerofoil controlled by streamwise electromagnetic force was simulated numerically at the low Reynolds number.

在低Re数条件下，对流向电磁体积力影响翼型体表面边界层流动过程进行了数值模拟。

Agha had criticized the Preventative Security Force for refusing to obey orders issued by the PA Interior Ministry , which is in charge of all Palestinian security forces .

阿加曾批评预防性安全部队拒绝服从命令，听从指挥，由坝内政部，这是负责管理所有的巴勒斯坦安全部队。

In fact, several of the aircraft have been tested and verified by current and former air force pilots.

事实上，一些飞机已经过测试和现任和前任空军飞行员中。

In order to effectively design this accelerometer, it is necessary to study how the system characteristics are influenced by parameters of proof mass, servo-controlled feedback electrostatic force and air damping.

研究与检测质量块、伺服控制的静电反馈力和空气阻尼相关的各个参数对系统指标的影响将有助于此类加速度计的设计。

The wheel rotates by the force of the heat gun air.

车轮转动时由部队的热空气枪。

Demolition experts in the Florida Keys used explosives to sink a ship last used by the US Air Force to track missiles and spacecraft.

爆破专家在佛罗里达群岛使用炸药炸沉了一艘曾为美国空军跟踪导弹和航天器服役的军舰。

Demolition experts in the Florida Keys used explosives to sink a ship last used by the US Air Force to track missiles and spacecraft. The General Hoyt S.

佛罗里达群岛的爆破专家用炸药击沉一艘军舰，这艘军舰最后一次使用是美国空军用来追踪导弹和宇宙飞船。

Demolition expert s in the Florida Keys used explosives to sink a ship last used by the US Air Force to track missiles and spacecraft.

爆破专家在佛罗里达天涯群岛利用爆炸物使一艘船只下沉，该船最后服役于美国空军用于跟踪导弹和太空船。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。