test mission meaning in English

试飞任务

China completed second shenzhou test mission
神舟二号无人飞船发射并回收成功
Notice : currently , we are testing mission - critical software on the server . this service is temporarily unavailable . sorry for any inconvenience caused
告示：目前我们正在服务器测试重要的软件。本服务暂停。对引起的不便深表歉意。
A lot of pilots could have looked at the jet from an operational perspective , but they might not be trained to fly the developmental test missions the program is focused on now
许多飞行员都会从作战的角度来看待飞机，但他们可能无法通过训练来执行现在项目所关注的研发试飞任务。