convergence nystagmus

例句：

1. 1.The convergence of the two streams leads to a narrower channel.
   两条小溪的汇合形成了一条更窄的河道。
2. 2.The convergence of data from different sources can lead to misleading conclusions.
   不同数据源的数据汇聚可能导致误导性结论。
3. 3. The convergence of the eyes in nystagmus is a sign of brain activity.
   眼球震颤时眼睛会聚是大脑活动的迹象。