| 1. | Atrial fibrillation is much more common than atrial flutter .
心房纤颤比心房扑动更为常见。 |
| 2. | Carotid sinus pressure has little or no effect on the atrial rate in atrial flutter .
压迫颈动脉窦对心房扑动时的心房率几乎不起作用。 |
| 3. | A northern flicker flashes the dazzling gold of its wings near an old tree stump
一只扑动?在老树的残干旁展现?金黄色的翼下羽毛。 |
| 4. | Comparison between therapeutic effects of acupuncture and intravenous injection of amiodarone in the treatment of paroxymal atrial fibrillation and atrial flutter
针刺与胺碘酮转复阵发性心房颤动及心房扑动疗效比较 |
| 5. | 2 . the 3 - d unsteady euler equations are derived . and the computational program based on these equations is developed to adapt for the calculations of flapping wing
2 、推导了非定常情况下的三维欧拉方程，发展了三维非定常欧拉方程计算程序，使之适应于扑动翼计算的需要。 |
| 6. | Applying this dissertation , the aerodynamic characteristics of flapping wing can be calculated , the effects of every factor can be analyzed and some qualitative instructions can be given
运用本文可以计算扑翼的气动特性及分析各参数对扑翼气动特性的影响，进而指导扑动翼微型飞机的初期设计。 |
| 7. | Common forms of arrhythmia , such as atrial flutter , occur when abnormal electrical circuits deelop inside of the heart ' s upper chambers , causing the heart to beat ery quickly ( about 150 beats per minute ) and out of sync with lower chambers , or entricles
一般心律失常的类型，例如心房扑动，是由在上部分的心腔内形成的异常心电环路引起，它导致心房跳动非常快（大约每分钟150次） ，从而与下部分的心腔或心室不同步。 |
| 8. | This paper starts from the motion of insects . we simplify the motion of insects into a kind of combination of plunging and pitching , and then use n - s equation to solve the flow around the airfoil . in every time - marching step , we must regenerate the mesh
本文以小型昆虫翼面运动的模拟为出发点，作为研究的第一步，将翼面运动的研究简化成翼型的沉浮和俯仰两种运动的耦合，然后利用n - s方程去求解这种扑动翼型的流场。 |
| 9. | I could smell the curves of the river beyond the dusk and i saw the last light supine and tranquil upon tideflats like pieces of broken mirror , then beyond them lights began in the pale clear air , trembling a little like butterflies hovering a long way off
隔着苍茫的暮色我能嗅出河弯的气味，我看见最后的光线懒洋洋而平静地依附在沙洲上，沙洲象是许多镜子的残片，再往远处，光线开始化开在苍白澄澈的空气中，微微颤动着，就象远处有些蝴蝶在扑动似的。 |
