envelope delay data

例句：

1. 1. The company's emailsystem uses a technique called "envelope delay" to improve delivery times.
   该公司的电子邮件系统使用了一种叫做“信封延迟”的技术来提高投递速度。
2. 2. The delayin the data transmission caused by the networkcongestion was unexpected and challenging forthe team.
   网络拥堵导致的数据传输延迟让团队感到意外且具有挑战性。
3. 3. The delayin the data transmission is due to theheavy traffic on the network.
   数据传输延迟是由于网络上的大量流量造成的。