synchronic distance

例句：

1. 1. The synchronic distance between the two cities is about 200 kilometers.
   这两个城市之间的同步距离大约是200公里。
2. 2.The clocks in the two countries are set to different times, resulting in a synchronic distance of 3 hours.
   这两个国家的时钟被设定在不同的时间上，导致它们之间存在3小时的同步距离。
3. 3. Due to the synchronic distance, it takes longer for signals to travel from one place to another.
   由于同步距离的存在，信号从一个地点传到另一个地点需要更长的时间。