sky wave delay

例句：

1. 1.The sky wave delay is a crucial factor in the communication system.
   天空波延迟是通信系统中的一个关键因素。
2. 2. The satellite's position was determined by measuring the sky wave delay.
   通过测量天空波延迟来确定卫星的位置。
3. 3.The researcher found that the sky wave delay could be used to improve the accuracy of the navigation system.
   研究者发现，天空波延迟可以用来提高导航系统的准确度。