| 1. | Sinus rhythm can often be maintained with quinidine .
奎宁丁常可用以维持窦性节律。 |
| 2. | No diurnal rhythm was detected .
没有发现昼夜节律。 |
| 3. | This normal variation in rhythm is known as sinus arrhythmia .
节律的这种正常变化称为窦性心律失常。 |
| 4. | The heart is a muscular organ that contracts rhythmically .
心脏是个肌肉性器官，具有节律性收缩能力。 |
| 5. | Reversion to sinus rhythm, by means of electrical countershock, is indicated .
可用电除颤使恢复窦性节律。 |
| 6. | Circadian rhythms show persistent, stable periodicities of about 24 hours .
昼夜节律表现出大约24小时的连续而稳定的周期性。 |
| 7. | These rhythmic waves of muscular relaxation and contraction are called peristalsis .
这种肌肉舒张和收缩的有节律波动称为蠕动。 |
| 8. | The s-a node is often called the pacemaker of the heart because it establishes the basic rhythm at which the heart beats .
S-A结由于建立了心跳的基本节律，故常称为起搏点。 |
| 9. | We wondered if the blood-level rhythms caused similar rhythms in the rates at which the body used the amino acids .
我们不知道这个血液浓度节律是否使身体在使用氨基酸的速率上有相同的节率。 |
| 10. | Advance of the studies on amino acid nutrition of shrimp
漠斑牙鲆仔鱼摄食节律的研究 |
