law of propagation of errors

例句：

1. 1. The news quickly spread throughout the town.
   这个消息迅速在整个城镇传开。
2. 2.The team's performance was a great example of propagation.
   团队的表现是传播的极佳例证。
3. 3.The scientist used a new technique to propagate genetic information.
   科学家使用了一种新技术来传播遗传信息。