Damping: in physics, the restraint of vibratory motion, such as mechanicaloscillations, noise, and alternating electric currents, by dissipating energy.
阻尼：物理学中，指因能量耗散使振荡、噪音、交流电之类的振动所受到的遏制。
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They all use the same basic mechanism: a 32, 768hz quartz-crystal oscillator, along with the electronic and mechanical parts that convert its oscillations to clock ticks.