The F-22 Raptor was conceived in 1981, took its first test flight in 1990, and did not enter operational service until 2004.
猛禽F-22设计的提出是1981年的事,1990年首飞,直到2004年才进入实际服役。
Introduces the analysis method for weapon system with different failure on the basis of the operational principle of weapon system and various measurement data in the actual flight test.
依据武器系统的工作原理和在实际飞行试验中得到的各种测量数据,给出了针对不同故障现象的武器系统分析方法。
China has only completed its test flight but yet to have operational test to determine its effectiveness during any military mission.
中国只完成了试飞,但尚未进行操作测试来确定其在完成任何军事任务的效果。
China has only completed its test flight but yet to have operational test to determine its effectiveness during any military mission.
中国只完成了试飞,但尚未进行操作测试来确定其在完成任何军事任务的效果。
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