1) tumble motion
滚流运动
1.
In this work, LDA measurement of tumble motion in a 4-valve SI engine was carried out with sufficient data rate so that cycle-resolved turbulence parameters can be calculated by means of low-pass filter.
本研究在一台四气门汽油机上对缸内滚流运动进行了LDA测量，通过改进测试系统提高了数据率，用低通滤波的单一循环分析法计算了湍流结构参数。
2) Tumble
[英]['tʌmbl] [美]['tʌmbḷ]
滚流运动
1.
Investigation of Turbulence Characteristic of Tumble in 2 Valve S.I. Engine by LDA;
二气门汽油机缸内滚流运动湍流特性的LDA试验研究
2.
The study on in-cylinder tumble motion and its effect on combustion in 4-valve SIengines has recently become an important research area.
对其缸内空气运动的研究发现[1-4]：当两个进气门都打开时，缸内空气运动主要是绕与气缸轴线垂直方向旋转的滚流运动（Tumblemotion），与传统二气门发动机缸内形成的绕气缸轴线旋转的涡流运动（Swirlmotion）不同；它在压缩末期很容易破碎，大大增加了湍流强度，促进燃烧过程明显改善。
4) rolling motion
滚转运动
1.
The large amplitude rolling motion test was conducted in FL-8 low speed wind tunnel of CARIA.
在气动院FL-8风洞中,采用旋转流场下单自由度振荡机构进行了旋转流场下大幅滚转运动的动态气动特性实验研究。
2.
Two methods are used to calculate the time history of rolling angle for an aircraft free rolling around the body axes according to the wind tunnel test data of the unsteady roll moments for theaircraft in large amplitude rolling motion.
本文根据某飞机大振幅非定常滚转力矩的风洞试验结果 ,采用两种方法 ,计算了飞机绕体轴作自由滚转运动时的滚转角时间历程 ,分析研究了飞机非线性滚转运动的稳定性 ,并对非定常空气动力对飞机稳定性的影响作了较深入的研究。
5) roll-movement
横滚运动
1.
An adaptive robust controller with l_2-gain performance has been designed for roll-movement of air-to-air missile with thrust vector.
针对推力矢量空空弹横滚运动的模型,设计了基于性能准则的自适应控制器。
6) Rolling locomotion
翻滚运动
补充资料：尿流屁滚
1.形容惊慌狼狈之态。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条