英语词汇“secular perturbations”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	secular perturbations
释义	secular perturbations secular perturbations [′sek·yə·lər ‚pər·dər′bā·shənz] (astrophysics) Changes in the orbit of a planet, or of a satellite, that operates in extremely long cycles.
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