延程的英文

• er extended range

• 延:    prolong; extend; protract
• 程:    rule; regulation
• 消衰延程:    decay distance
• 长途延程操作:    extended range operation
• 双发延程飞行:    etops/lrops

例句与用法

1. Discussion topics on the flight standards field will include the application procedures for air operator s certificate , flight crew licensing , and the safety of extended range operations
   飞行标准方面的议题则包括营运证的申请程序，航空人员执照的签发，以及长途延程操作飞机之安全。