英语词汇“centre of mass”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	centre of mass
释义	centre of mass in British English noun the point at which the mass of a system could be concentrated without affecting the behaviour of the system under the action of external linear forces Examples of 'centre of mass' in a sentence centre of mass A planet is balanced for its speed and orbit radius but only at its centre of mass. Times, Sunday Times (2007) It had sensors and its centre of mass could be shifted, allowing its flight to be controlled and a precise landing nailed. Times, Sunday Times (2018)
随便看	it's not quite the same it's not right that we should be fined it's no trouble! it's not simply/just that its-not-simply-just-that it's not the end of the world it's-not-the-end-of-the-world it's not to be sneezed at it's no use its-no-use it's no use arguing/crying etc it's no use crying over spilled milk it's-no-use-crying-over-spilled-milk it's no use/there's no use its-no-use-theres-no-use it's now or never its-now-or-never it's obvious that ... it's of little/no consequence it's okay with or by me it's one o'clock it's one of the biggest airports in the world it's only available in hardback it's only fair/natural it's only me/the postman

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centre of mass in British English