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
- heart curve
- heart cutaneous region of hand shaoyin
- heart cutting
- heart-cutting
- heart disease
- heart failure
- heart governing blood and vessels
- heart governing mind and spirit
- hearth efficiency
- hearth specific productivity
- heartimpediment
- heart is often excessive
- heartland theory
- heartleaf houttuynia herb
- Heartlessness
- heart malnutrition in infant
- heart meridian
- heart mind
- Heart of a Dog
- Heart of Greed
- Heart of the Dragon
- Heart of the Midlothian
- heart qi
- heart rate
- heart rate monitor