振盪(oscillation)最廣義上係指一個物理量嘅數值隨時間嘅重覆變化,來來回回噉喺 0、+A 同 -A 之間郁嚟郁去,當中 A 係個振盪嘅振幅(amplitude),日常例子包括擺同交流電。
![Thumb](http://upload.wikimedia.org/wikipedia/commons/2/25/Animated-mass-spring.gif)
簡諧運動
内文:簡諧運動
睇埋
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