一弹簧按下恢复对第一口衔铁。

A restoring spring presses the armature toward the first orifice.

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该开关是一震动开关按钮或者一弹簧开关。

The switch is a vibration switch button or a spring switch.

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为了防止术后反松，在螺帽与垫圈间又增加了一弹簧垫圈(5)。

In order to prevent the inverse loosing after the operation, the spring washer (5) is added between the nut and the washer.

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You hook one end of the spring to a wall and you pull it from rest by some amount and you attach the one kilogram mass to it.

你把弹簧的一端固定在墙上,然后拉伸一段距离,接着你把 1 千克物体固定在上面

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The force may taper off, the force may not be given by a straight line, but for modest deformations, every spring will have a linear regime in which the force is linearly proportional to the stretching.

它产生的力可能会渐渐消失,力的曲线可能不是一条直线,而有轻微的弯曲,每个弹簧都有一个线性区间,在这一区间内,力和伸长量是线性关系

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It is pulled by a certain amount x, and is released.

将弹簧拉长一段距离 x,并释放

耶鲁公开课 - 基础物理课程节选