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
- food machinery and equipment
- food microbiology
- food microbiology examination
- food microorganism
- food moisture-retaining agent
- food nutrition
- food nutrition labeling
- food nutritive fortifier
- food objective evaluation method
- food packaging container
- food packaging materials
- food packing textiles
- food perfume
- food plant control
- food poisoning
- food poisoning of animal origin
- food poisoning of plant origin
- food pollution control act
- food preference
- food preferences
- food preservation technology
- food preservative
- food preservative analysis
- food processing process control system
- food production process control system