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
- nuclear power station
- nuclear power valve
- nuclear pressure vessel materials
- nuclear process
- nuclear processing
- nuclear proliferation
- nuclear protection technology
- nuclear proteoglycan
- nuclear proton RMS radius
- nuclear psychology
- nuclear purity
- nuclear quadrople resonance
- nuclear quadrupole
- nuclear quadrupole interaction
- nuclear quadrupole moment
- nuclear quadrupole resonance
- nuclear quadrupole resonance (NQR)
- nuclear quadrupole resonance, NQR
- nuclear radiation
- nuclear radiation at early stage
- nuclear radiation detection
- nuclear radiation detector
- nuclear radiation effect
- nuclear radiation interaction with matter
- nuclear radiation level meter