So while military aircraft conduct high speed flights over water and at high altitudes, supersonic commercial flights seemed like a brief and failed experiment.
因此,当军用飞机在水上和高空进行高速飞行时,超音速商业飞行似乎是一个短暂而失败的实验。
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词汇 | flight speed |
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flight speed
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TED-Ed(视频版) So while military aircraft conduct high speed flights over water and at high altitudes, supersonic commercial flights seemed like a brief and failed experiment. 因此,当军用飞机在水上和高空进行高速飞行时,超音速商业飞行似乎是一个短暂而失败的实验。 China Daily 播客集 The drones used in Tuesday's launch are about 2 meters wide, with a maximum payload of 10 kilograms and a flight speed of 50 km per hour. 8月13日发布的无人机有2米宽,最高载货量为10千克,飞行速度达50千米/时。 |
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