perturbation
noun /ˌpɜːtəˈbeɪʃn/
/ˌpɜːrtərˈbeɪʃn/
- [uncountable] (formal) the state of feeling anxious about something
忧虑；不安；烦恼 - [countable, uncountable] (specialist) a small change in the quality, behaviour or movement of something
摄动；微扰；扰动；小变异 - temperature perturbations
温度的些微变化
- temperature perturbations
词源late Middle English: from Latin perturbatio(n-), from the verb perturbare ‘disturb greatly’, from per- ‘completely’ + turbare ‘disturb’.