The graphs for the displacement, energy and the trajectory of the bob are gotten by recording the position of the bob in real time under different initial conditions.
通过实时记录摆球的位置，得到了不同初始条件下，弹簧摆振动的位移曲线、能量曲线和摆球运动的轨迹。
What happened to Bob in the National Games?
鲍勃在全运会上出了什么事？
The coppers ran Bob in for driving under the influence of alcohol .
警察把鲍勃抓了起来，因为他喝醉酒时驾驶车辆。
Bob: In that case, I would make sure I know the health and safety requirements associated with my position and follow hotel procedures.
鲍勃：我想我会确保自己熟知与我这个工作岗位有关的健康安全条例并遵守酒店的相关程序。
Bob, in the cupboard, agreed loudly, without thinking. He immediately realized his mistake, and went quickly back to his work, but Scrooge had heard him.
坐在壁橱里的鲍勃未加思索大声表示赞同。但他立刻意识到自己所犯的错误，便又立即埋头工作，但斯克罗吉已经听见了他的话。
Bob, in the cupboard, agreed loudly, without thinking. He immediately realized his mistake, and went quickly back to his work, but Scrooge had heard him.
坐在壁橱里的鲍勃未加思索大声表示赞同。但他立刻意识到自己所犯的错误，便又立即埋头工作，但斯克罗吉已经听见了他的话。
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