磁道中心间距
track center-to-center spacing
圆柱中心间距
cylinder center-to-center spacing
中间中心局
averaged central difference
15到49岁之间的中国人
Chinese aged between 15 and 49
Ada程序语言的中间属性记法描述
descriptive intermediate attributed notation for Ada
Hilbert空间中的Jacobi逼近
Jacobi approximations in specific Hilbert spaces
L-预拓扑空间中的模糊紧集
Fuzzy Compact Set in L-pretopological Space
标准中心距
reference center distance