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1·Jets of compressed air gave the aircraft lateral and directional stability.

压缩气体喷流从侧面和正面稳定了机身。《柯林斯英汉双解大词典》

2·Is equipped with four steering front wheels that improve braking, handling, and directional stability.

配备了4个转向前轮，可以提升刹车，控制的性能，以及转向稳定性。

3·On small friction coefficient runways, skidding wheels result in largely reduced brake efficiencies and possible loss of directional stability in rolling.

在小结合系数跑道下，机轮打滑严重，导致系统刹车效率降低，并很容易使飞机丧失滑跑方向稳定性。

4·It affords a smoother ride at high motorway speeds in the form of a more indirect ratio, coupled with directional stability that is resistant to slight movements.

它使行驶更平稳在高高速的形式，一种更为间接的比率，再加上方向稳定性，耐轻微的运动。

5·This paper presents the principle, method and data processing technique of the flight test of the lateral-directional stability and control of the Z-8 helicopter.

本文介绍了Z-8横侧稳定性和操纵性飞行试验的原理、方法和数据处理技术。

6·At first, this paper introduces the parameter space design of robust control systems. A robust design of lateral-directional stability system for a aircraft is then finished in the method.

首先介绍了鲁棒系统设计的参数平面法，然后采用该方法对某支线客机的侧向稳定系统进行了鲁棒设计。

7·The influences of hysteresis and relaxation of melt superheat on the morphological stability of interface in directional solidification were described.

熔体过热处理的弛豫过程和引起的不可逆过程使熔体状态变化出现滞后效应，从而影响定向凝固界面形态稳定性。

8·It also figures out that the wellbore stability of directional well in the West of Sichuan Basin will be much better than the straight hole with the increasing of the deviation and relative azimuth.

计算结果同时证明，如果在川西深层采用定向井钻井，其井壁稳定性将不会因为井斜角、相对方位角的变化而变差，且地层破裂压力会随井斜角和相对方位角的增加而大幅提高。

9·The all-directional antenna of the invention adopts a low-profile structure, and has good stability, simple preparation process, low cost, extremely high practical value and wide market prospect.

本发明全向天线采用低剖面的结构，稳定性好，且制作工艺简单，成本低，有很高的实用价值和广阔的市场前景。

10·The directional shift of a semiconductor laser beam has been detected and the effect of optical devices on the stability of optical beam direction are discussed.

最后，通过进一步检测，初步研究了光学器件对光束方向稳定性的影响。