Swiss adventurer Yves Rossy completes two aerial loops using just his custom-made jet-propelled wingsuit.
瑞士冒险家伊夫·罗西（Yves Rossy）只用两个定制的喷气推进式的滑翔翼就完成了两个冲浪空翻。
Swiss pilot, dubbed "Fusion Man, " flew across the English Channel last year using a single jet-propelled wing.
去年，称为”聚变人“的一位瑞士飞行员用喷气引擎整体机翼飞过了英吉利海峡。
The world's first jet-propelled aeroplane, with engine designed by Dr Von Ohain, made its first flight, at Marienehe in North Germany.
世界第一架喷气式飞机在德国北部的马里奈赫作第一次飞行。飞机引擎为冯·奥海因博士所设计。
Less than a year after the first photograph appears on National Geographic, a jet-propelled diving saucer appears on the April 1960 cover.
距离国家地理第一次推出封面照不足一年，1960年4月又推出喷气式蝶形潜水器封面照。
And how will it be propelled - is a jet engine the best solution, both above and below the waves?
又如何推进呢？在水上和水下，仅用喷气发动机能解决问题吗？
The counterforce size of rotaty water jet and ordinary is a key which influence the propulsion of the self-propelled water jet.
旋转射流与普通射流的反冲力的大小是影响自进式水射流系统自进力大小的关键。
The counterforce size of rotaty water jet and ordinary is a key which influence the propulsion of the self-propelled water jet.
旋转射流与普通射流的反冲力的大小是影响自进式水射流系统自进力大小的关键。
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