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
- water value of a calorimeter
- water valve
- water-vapor plasma
- water vapor resistance of polymer materials
- water vapor tape recorder
- water-vapour maser
- water vapour transport
- water vascular system
- water vesicle
- water wave
- waterway
- waterway basic survey
- waterway check survey
- waterway container transportation
- waterway engineering
- waterway general cargo ship transportation
- waterway management
- waterway navigation chart
- waterway network in the Pearl River delta
- waterway of the Heilongjiang River
- waterway of the Songhuajiang River
- waterway regulation for navigation in mountainous area
- waterway regulation structures
- waterway regulation works
- Waterways Classic