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
- scale parameter
- scale parameters
- scale preserving mapping
- scale prevention in cooling water system
- scaler
- scale ratio
- Scales and Nails of Paris
- scale shellfish culture mode
- scales in physical geography
- scales photography
- scales spruce
- scale statistic
- scale step
- scales tilt angle
- scale transform
- scale transformation
- scale-type seawall
- scale unit
- scale-up based on geometric similarity
- scale up based on hydrodynamics
- scale up based on oxygen transfer coefficient
- scale up based on Reynolds number
- scale up based on the maximal shear stress similarity
- scale up based on the mixing time
- scale up based on volumetric aeration rate