您要查找的是不是：
- atrial internodal tract 心房结间束(径)
- internodal tract 结间束
- posterior internodal tract 后室间束
- He owns a large tract of forest. 他拥有一大片森林。
- He had an infection in the upper respiratory tract. 他上呼吸道感染。
- middle internodal tract 中结间束
- Atrial fibrillation (AF) is a common arrhythmia. 摘要心房颤动是一种常见的心律失常。
- A line established by sighting in surveying a tract of land. 横断线在测量一块土地时通过目视确定的线
- To the north of the river is an immense wooded tract. 河北面是一大片林地。
- The reception was held in the atrium. 招待会在中庭举行。
- Why is an atrial septal defect a concern? 房间隔缺损有什么危害?
- The region between two nodes is known as the internodal segment. 在两结间的部分称为结间段。
- How is an atrial septal defect diagnosed? 如何诊断房间隔缺损?
- The explorers entered upon a desert tract. 勘探人员进入了一片沙漠地带。
- What functions does the atrium serve at base level? 中庭最基本的作用是什么?
- Embolism is the major event of atrial fibrillation. 栓塞是心房颤动的主要危害。
- A sandy tract or dune by the seashore. 沙丘海边的沙地或沙丘
- Two cases had atrial septel defect. 2例遗留房水平左向右分流。
- A tract of territory had been sliced away. 领土被割去了一块。
- He wrote a tract on this subject. 他曾对此写了一篇短文。
