理学 主题模型 释 latent semantic analysis; LSA 潜在语义分析 将词和文档从稀疏的高维词表(vocabulary)空间映射到一个低维的潜在语义空间(latent semantic space)上。
LSA=limited space-charge accumulation diode 限累二极管†
计算机应用 多媒体 释文 latent semantic indexing, LSI 隐语义索引
- nutrient agronomic efficiency
- nutrient antagonism
- nutrient assimilation
- nutrient balance
- nutrient bioavailability of aquatic organisms
- nutrient budget
- nutrient-conservation strategy
- nutrient control system for soilless culture
- nutrient criteria
- nutrient deficiency
- nutrient deficiency symptom
- nutrient deficiency symptom in plant
- Nutrient density
- nutrient diffusion area of plants
- nutrient digestibility
- nutrient elements
- nutrient excess
- nutrient flow
- nutrient function claims
- nutrient imbalance
- nutrient loss ratio
- nutrient metabolism
- nutrient mobilization
- nutrient partial factor productivity
- nutrient preserving capability