- covariant derivative
- 共变: co-variation
- 导数: derivative; differential coe ...
- 反变导数: contravariant derivation
- 协变导数: covariant derivative
- 共变: [数学] co-variation◇共变函数 [数学] covariant function; 共变矢量 covariant vector; 共变算子 covariant operator; 共变向量 covariant vector; 共变指数 covariant index; 共变种 convariety
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