自由落体的意思|自由落体的解释-里氏词典

freely falling body
free falling body

这座城市60年前就开始缓慢下滑，但现在却在住房和汽车业的双重危机打压下进入了自由落体阶段。
A city that began a slow slide 60 years ago has now entered a free fall, pushed by the twin crises of housing and cars.
然而，通过自由落体测试，研究者可以量化的测量翅果的飞行动力并且用得到的信息数据来控制翅果的自旋和飞行轨迹。
However, through free-fall testing, the researchers could quantitatively measure the samara’s flight dynamics and use this information to control the samara’s autorotation and flight path.
每次参与高空跳落的人员都会先乘坐热气球上升至数万英尺的上空，跳下后经自由落体和降落伞跳到新墨西哥的沙漠上。
Each time involved riding high-altitude Excelsior balloons up tens of thousands of feet, before jumping, free falling and parachuting to the desert floor in New Mexico.

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