英文: A line of descent; derivation.
中文: 血缘鉴定血统的联系;来历英文: Place of origin; derivation.
中文: 起源起源的地方;出处英文: Conservation and derivation of the mathematical model.
中文: 数学模型的引出和守恒。英文: Therefore, the derivation was also correct.
中文: 从而证明该推导是正确的。英文: The derivation of the poem isn't confirmed.
中文: 这首诗出处不详。