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
- stage design of Teahouse
- stage design of The East of Red
- stage design of The True Story of Ah Q
- stage-discharge relation
- stage-discharge relationship
- stage diversion
- staged laser
- stage documentary film
- staged photo
- stage elevator
- stage emotion
- stage equipment
- stage event
- stage experience in opera performance
- stage fact
- Stage fan husband
- stage gauge
- stage gauging station
- stage grinding and stage separation
- stage group
- stage imagination
- stage inscription of Wu Zetian Temple in Wenshui County
- stage inscriptions
- stage inscriptions at Jade Emperor Temple of Qiaogoutou Village, Xinjiang County
- stage in-scriptions at Jiangxi Guild Hall of Xiangyang City