A Ho 2-29 prototype made a successful test flight just before Christmas 1944.
就在1944年圣诞节前Ho 2 - 29原型完成了一次成功试飞。
China has carried out its first test flight of a prototype stealth fighter jet.
中国隐形战斗机原型机进行了首次试飞。
China has carried out its first test flight of a prototype stealth fighter jet.
中国隐形战斗机原型机进行了首次试飞。
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