1.Objective (1) To study the relationship between morphology of flutter wave in the surface electrocardiogram and endocardiial atrial transmission sequence in patients with typical counterclockwise conduction (CCW AFL) and clockwise conduction atrial flutter (CW AFL).
目的 (1) 探讨典型心房扑动(Atrial Flutter,AFL)的电生理机制及其体表心电图F波形态与心房传导顺序的关系;
2.Focused on the features and requirements of flutter boundary prediction (FBP), the method presented here is introduced and investigated around precision, anti-noise and short sample.
针对飞机颤振边界预测(Flutter Boundary Prediction，FBP)的数据特征及分析要求，论文从预测精度、抗噪性、短样本效应三个方面考察了所研究方法的适用性和可靠性。
3.The hairs flutter in moving water as flags do in moving air, and the way in which they flutter contains information about the direction and speed of the water moving past them.
绒毛在水中就像气流中的旗帜一样摆动，它们摆动的方式包含着流经它们的水流方向和流速信息。
4.This paper researches on aeroelasticity technique such as flutter law of control surfaces, flutter behaviour of all-composite vertical tail and dynamic similarity updating design of wind-tunnel model in the light of L8 and N5A aircraft design characteristics.
结合L8和N5A飞机的设计特点，对操纵面颤振规律、全复合材料垂尾颤振特性、风洞试验模型的动相似反设计等气动弹性技术作了研究。
5.As a result of applying this method, simple and optimal control laws have successfully been developed for the active suppression of wing bending-torsion flutter and under-ballanced aileron flutter using a single trailing-edge active control tab.
运用这种方法获得用单独后缘主控调整片抑颤的优化控制律,实现了对质量不平衡舵面颤振和翼面弯扭颤振的有效抑制。
6.ResultsWTBZThe detecting rates of the displacement of the mitral coaptation point ,the flail partial mitral leaflets,the coarse and erratic flutter of flail leaflets, the flicking mitral chordae tendineae with coarse and erratic flutter and the vegetation by TEE and TTE with 2D were 100%and 94.3%, 100%and 65.7%, 85.7%and 54.3%, 77.1%and48.6%, 100%and33.3%, respectively.
结果TEE和TTE对二尖瓣腱索部分断裂的切面超声征象包括收缩期瓣缘对合不良、局部链枷运动、局部粗大扑动、腱索断端飞鞭运动伴粗大扑动及赘生物的检出率分别为100％和94．3％、100％和65．7％、85．7％和54．3％、77．1％和48．6％及100％和33．3％；
7.The numerical simulations and wind tunnel tests show that the μ controller is able to suppress the flutter effectively and the critical flutter speed of controlled system is increased by 23.4%.
数值仿真和风洞试验表明,μ控制器可有效地抑制颤振的发生,将颤振临界速度提高23.4%。
8.Breaststroke arms with fly kick and breast arms with flutter kick.
蛙泳手加蝶泳腿，或者蛙泳手加自由泳打腿。
9.Based on the results and finite element formulation, the flutter force has been considered as equivalent aerodynamic stiffness matrix and equivalent aerodynamic damping matrix.
此外,通过变化把自激力的作用等效于作用在结构上的附加气动刚度和气动阻尼,采用单参数搜索的算法实现颤振分析。
10.Her heart began to flutter with fear.
她的心因害怕而开始柁柁跳。
