参数化三维标准零件库
Parametric three-dimensional standard parts librar
零维代数簇
zero-dimensional algebraic variety
参数维数变化
parameter dimension change
分数维数
fractional dimensionality
fractal dimension
2+1维零曲率方程
2+1-dimensional zero curvature equation
Si－O化合物零维体系
si-o compound zero dimesional system
倒谱系数零均值化
Cepstral mean normalization
二维零空间
two-dimensional null space
二维零位光栅
Two-dimensional zero-reference grating
二维零压气体动力学系统
two-dimensional zero-pressure gas dynamics
非零数字之积
nonzero digital multipulication function