VLE

例句：

1. 1. The VLE is a crucial part of the flight planning process.
   VLE是飞行计划过程的关键部分。
2. 2. The VLE system provides real-time information to pilots.
   VLE系统向飞行员提供实时信息。
3. 3. The VLE is responsible for ensuring the safety of all passengers and crew members.
   VLE负责确保所有乘客和机组人员的安全。