So here, again, is our simplest oscillating system: a block and spring.
因此，在这里，扔是我们最简单的振动系统：一个物块和弹簧。
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A system oscillating at its natural frequency is said to resonate.
系统以其固有频率振动又叫共振。
应用推荐
模块上移
模块下移
不移动