好词典

oscillation

UK /ˌɒsɪˈleɪʃən/US /ˌɑːsɪˈleɪʃən/

词源

源自拉丁语 'oscillare'(意为摇摆),17世纪通过法语 'oscillation' 进入英语。

noun

❶ 指物体或系统在两个点或状态之间来回移动或变化的过程,常见于物理学中描述摆动或波动现象。

“The pendulum's oscillation gradually slowed down due to air resistance.”

(由于空气阻力,钟摆的摆动逐渐减慢。)

“Scientists measured the oscillation of the bridge during strong winds.”

(科学家测量了强风中桥梁的振动情况。)

同义词:swinging, vibration, fluctuation

常见短语

damped oscillation — 指振幅逐渐减小的振荡,通常因能量耗散(如摩擦力)导致,常见于工程和物理系统。

“The car's suspension system demonstrates damped oscillation after hitting a bump.”

(汽车悬架系统在颠簸后呈现阻尼振荡现象。)