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
- reach truck
- react
- reactance
- reactance amplifier
- reactances of turbogenerator
- reactant
- reactant-product coordinates decoupling method
- reactant's energy selectivity
- reacting force
- reaction
- reaction adhesion
- reaction-advection-diffusion equation
- reaction bonding
- reaction bonding; reaction adhesion
- reaction calorimeter
- reaction calorimetry
- reaction centre
- reaction chain
- reaction channel
- reaction chromatography
- reaction classes
- reaction coefficient
- reaction coil
- reaction control system
- reaction coordinate