柯林斯詞典perturbation /?p??t??be???n/ (perturbations) 1. N-VAR A perturbation is a small change in the movement, quality, or behaviour of something, especially an unusual change. (尤指不尋常的)小變化[技術(shù)] ...perturbations in Jupiter's gravitational field. ...木星重力場(chǎng)的微小變化。2. N-UNCOUNT Perturbation is worry caused by some event. 憂慮; 不安[正式] This message caused perturbation in the Middle East Headquarters. 這個(gè)消息在中東縂部引起了不安。 返回 perturbation劍橋詞典 perturbation noun (WORRY) [ 不可數(shù)或單數(shù)名詞：沒(méi)有複數(shù)形式的名詞 ] formal worry 擔(dān)心；煩惱 perturbation noun (CHANGE) [ 可數(shù)名詞：有複數(shù)形式的名詞 or 不可數(shù)或單數(shù)名詞：沒(méi)有複數(shù)形式的名詞 ] physics specialized a small change in the regular movement of an object 攝動(dòng)；擾動(dòng) Perturbations in the orbit of the planet Uranus led to the discovery of Neptune in 1846. 天王星軌道的攝動(dòng)使人們於1846年發(fā)現(xiàn)了海王星。 返回 perturbation