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
- nutrient substance redistribution
- nutrient supplement
- nutrient supplying capacity
- nutrient synergism
- nutrient table
- nutrient translocation and distribution
- nutrient turnover rate
- nutrient uptake
- nutrient up take by symbiotic microb
- nutrient use efficiency
- nutrigeneties
- nutrigenomics
- nutrigenomics of aquatic organism
- nutriocyte
- nutrition
- nutritional and metabolic diseases of domestic animals
- nutritional assessment for astronaut
- nutritional deficiency disease
- nutritional deficiency disorders of the nervous system
- nutritional deficiency symptom
- nutritional edema
- nutritional epidemiology
- nutritional evaluation of feed mineral elements
- nutritional evaluation of feed protein and amino acid
- nutritional feed additive