| 1. | For an extended image, sa would reduce the contrast and degrade the details .
对于一个扩展的图象，球差会减少反衬度并使图象的细节模糊。 |
| 2. | From the sa node, electrical impulses spread through the heart muscle to trigger the heartbeat .
从窦房石结出来的电脉冲传播到心脏肌肉触发心脏跳动。 |
| 3. | This is particularly important when the conducting tissues between the sa node and the ventricles fail only from time to time .
尤其在窦房结和心房之间的传导组织有时发生故障时这点尤为重要。 |
| 4. | An "atrially triggered" pacemaker can pick up the signals directly from the sa node and strengthen them before passing them to the ventricles .
一种“心房触发式心博器”就能从窦房结直接接收这种信号，并在传送到心房去之前还能将这种信号进行放大。 |
| 5. | Sa : i will have an absolute straight up , please
山：我来一杯不加冰的纯伏特加。 |
| 6. | Sa : ( to jonah ) you called the radion station
山： （对乔那）你打电话给电台了？ |
| 7. | Genetic stability of attenuated japanese encephalitis virus sa
2基因稳定性研究 |
| 8. | Standard twin room la sa hong feng hotel reservation
标准双人房,拉萨鸿峰宾馆预订 |
| 9. | Sa : what possessed you to give them our address
山：你为什么把我们的地址给他们？ |
| 10. | Temporary restricted zones on sa po road , wong tai sin
黄大仙沙浦道临时限制区 |
