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
- set pulse
- set recursion theory
- set retarder
- set ring
- set rule
- set span
- set square
- set system
- set table
- set-theoretic
- set-theoretic addition
- set-theoretical
- set-theoretic antinomy
- set-theoretic approach
- set-theoretic characterization
- set-theoretic definability
- set-theoretic difference
- set-theoretic formula
- set-theoretic image
- set-theoretic intersection
- set-theoretic limit
- set-theoretic method
- set-theoretic model theory
- set-theoretic operation
- set-theoretic projection