ETO

例句：

1. 1. ETO is a crucial component in the development of modern communication systems.
   ETO是现代通信系统发展的关键组成部分。
2. 2.The team used ETO to design and build their new robot.
   团队使用ETO设计并建造了他们的新机器人。
3. 3. ETO is often used to refer to the process of transmitting data over long distances using radio waves.
   ETO通常用来指通过无线电波在长距离上传输数据的过程。