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。
The spring constant k equals ten newtons per meter, and the mass of the object is 0.1 kilograms.
弹簧常数k等于,牛顿每米，物体的质量，是0。1千克。
The effect of spring mass on oscillation frequency and elastic constant is discussed by solving the wave equation.
通过求解弹簧中纵波的波动方程，讨论了弹簧质量对振子的振动频率及弹簧劲度系数的影响。
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