[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共: common; joint; mutual; gener ...变: become different; change共变的: covariant共变法: covariance method; method of concomitant variation共变量: concomitant cariable下载手机词典可随时随地查词查翻译