perturbation
柯林斯詞典
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]
...perturbations in Jupiter's gravitational field. ...木星重力場的微小變化。
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. 這個消息在中東縂部引起了不安。
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perturbation /?p??t??be???n/ (perturbations)
劍橋詞典
perturbation noun (WORRY)
[ 不可數(shù)或單數(shù)名詞：沒有複數(shù)形式的名詞 ] formalworry
擔心；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：沒有複數(shù)形式的名詞 ] physics specializeda small change in the regular movement of an object
攝動；擾動
Perturbations in the orbit of the planet Uranus led to the discovery of Neptune in 1846. 天王星軌道的攝動使人們於1846年發(fā)現(xiàn)了海王星。 返回 perturbation