The falling object, after traveling a certain distance through the air reaches a final speed, or "terminal velocity," because the object's friction with the air slows the fall.
物体在下落一定距离后由于空气阻力都会达到一个终极速度。
Falling-object protective structure (FOPS) can block objects (such as trees, rocks) so that it supplies protection for the operator.
落物保护结构是在有坠落物体(如树木、岩石等)时，对司机提供适当保护的安全结构。
The experimental apparatus for measuring the acceleration of the freely falling bar object is improved in this thesis.
改进了条形物体自由下落测量重力加速度的实验装置。
Q9: Venerable Sir, is there any disadvantage by not labeling a meditation object, like rising, falling, sitting, standing, doing, lying and so on?
问9：尊者，不标记禅修目标，如起、伏、站、坐、做、躺，有什么不利因素吗？
For example, lifting a heavy object, twisting while lifting, falling, or some sports could cause lumbar muscle strain.
比如，举一个沉重的物体，当举重物时扭腰，摔倒，或一些运动可引起腰部肌肉扭伤。
As to types of injuries, locomotive and vehicle injuries were most numerous, followed by automobile vehicle injuries, falling from a high place and hit by an object.
伤害类型以机车车辆伤害最多，其次是汽车车辆伤害、高处坠落和物体打击。
Methods: The freely falling object was used to simulate the animal models of closed cerebral trauma.
方法：采用自由落体法制备闭合性脑外伤小鼠模型；
A graph of average speeds versus time can give the acceleration due to gravity of the falling object.
平均速度——时间图表可以给出这个自由落体的重力加速度。
A graph of average speeds versus time can give the acceleration due to gravity of the falling object.
平均速度——时间图表可以给出这个自由落体的重力加速度。
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