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justusphung 2016-8-19 12:29 PM

vibration and oscillation

Dse程度 係咪兩個字互通?

hkpal 2016-8-25 07:33 AM

[url]https://en.wikipedia.org/wiki/Oscillation[/url]
[url]https://en.wikipedia.org/wiki/Vibration[/url]

"Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states. The term vibration is precisely used to describe mechanical oscillation."
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