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
- native element mineral
- native fishery species
- native gel electrophoresis of G-quadruplex
- native grassland
- Native Land Court
- Native Lands Act
- native literature
- native opera of the Qing Dynasty
- native PAGE
- Native People Policy of Canada
- native peoples
- Native Peoples of Canada
- native place
- native silk
- native social work practice
- Native Son
- native species
- Native Title Act 1993
- Native Title Amendment Act 1998
- Native Treasuries
- native word
- native XML database systems
- nativism of mental development
- Nativist Theories of Language Acquisition
- Nativity of Mary