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1千克质量基准砝码
释义
1千克质量基准砝码
Encyclopedia
工学
质量计量技术
释
national prototype of the kilogram
1千克质量基准砝码
中国在1965年从国际计量局得到砝码器号是60号的国家千克原器。
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skew symmetric bilinear form
skew-symmetric bilinear form
skew-symmetric bilinear function
skew-symmetric covariant tensor
skew-symmetric determinant
skew-symmetric form
skew-symmetric inner product
skew-symmetric invariant
skew-symmetric kernel
skew-symmetric mapping
skew symmetric matrix
skew-symmetric matrix
skew symmetric multilinear mapping
skew-symmetric multilinear mapping
skew-symmetric operator
skew-symmetric polynomial
skew-symmetric product
skew symmetric tensor
skew-symmetric tensor
skew symmetric transformation
skew-symmetric transformation
skew symmetry
skew two-leaved rose lemniscate
skew-upstream scheme
skew Young tableau
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