Functional Test Flight

• 功能试验飞行

Functional Test Flight的用法和样例：

例句

1. Our test flight was to discover the bugs in the new plane.
   试验飞行是为了发现新飞机有何毛病。
2. The first orbital test flight is scheduled for just two and a half years from now.
   预计第一次轨道试验飞行将在两年半后进行。