The tilting symmetric distributed main-vibrating spring makes the vibrating screen smooth during operation and vibration isolation effect is very good.

斜置式对称分布的主振弹簧，使得振动筛在运行时平和稳定，隔振效果极好。

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We did a demonstration there with two vibrating objects with a spring, but yet the center of mass was moving with a constant velocity.

我们做过演示的，弹簧连接两个振动物体，但是质量重心，却保持稳定速度。

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In this paper a model of the equivalent linear spring is proposed for approximately calculating fundamental frequencies of a vibrating shaft with an arbitrary crack.

利用等效线弹簧模型近似计算了含裂纹转动轴的自由振动基频。

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