high trajectory test

例句：

1. 1. The high-speed trains are scheduled to run at a high trajectory test.
   高速列车计划以高轨道测试运行。
2. 2. The scientists conducted a high trajectory test on the new spacecraft.
   科学家们对新型宇宙飞船进行了高轨道测试。
3. 3. During the high trajectory test, the satellite was launched into space.
   在高轨道测试期间，卫星被发射入太空。