“non-contemporaneous variation”的概念、定义、翻译、参考文献-科学参考

单词	non-contemporaneous variation
释义	non-contemporaneous variation Encyclopedia 理学力学变分原理释 non-contemporaneous variation非等时变分时间变化的变分。又称非同步变分、全变分。反之，时间不变的变分称为等时变分。等时变分用记号表示，非等时变分用记号表示。
随便看	iris recognition iris shutter iris stroma Irja Ranne Irkestam Kuo'an Irkin Irkutsk IRLS IRM IRMA IRMPD IRNA Irnerius IRNSS iron iron and steel analysis Iron and steel E-commerce iron and steel making iron and steel scrap Iron Axle-bearings from Mianchi iron bacteria iron-based cast and wrought superalloy iron based cast superalloy iron based catalyst Iron based powder metallurgy material with high density

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