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
- Gossips of Imperial Librarians
- Gossip under the Lamp
- gossypol
- gossypose
- Gosudarstvennyi ordena Lenina Krasnoznamionnyi Lyotno-Ispytatelnyi Tsentr imeni V.P.Chkalova
- Gotar lens
- Go Tell It on the Mountain
- Got Enlightened on Mount Xiang
- Gotha
- Gothic
- Gothic Alliance
- Gothic alphabets
- Gothic architecture
- Gothic art
- Gothic costume
- Gothic furniture
- Gothic novel
- Gothic revival architecture
- Gothic War
- Go to have a cup of tea
- Go to Moscow
- go-to telescopes
- go to the grassroots level, change the style of work, change the style of writing
- Go To Village And Go To Fair
- Gottfredson's theory of circumscription and compromise