理学 降维 释 dimensionality reduction 降维 模式识别和机器学习领域中的降维就是指采用某种映射方法，将原高维空间中的数据点映射到低维度的空间中。
数据库 数据库新技术 释文 dimensionality reduction 降维
- scattering by spheres
- scattering center
- scattering chamber
- scattering coefficient
- scattering cross section
- scattering cross-section
- scattering data
- scattering diffusion
- scattering effect
- scattering efficiency
- scattering factor
- scattering field
- scattering function
- scattering gamma spectrometry for petroleum well logger
- scattering intensity
- scattering inverse problem
- scattering kernel
- scattering length
- scattering limit
- scattering matrix
- scattering matrix method
- scattering method
- scattering model
- scattering of acoustic wave
- scattering of acoustic waves in the atmosphere