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
- terrestrial branch
- terrestrial communications network
- terrestrial coordinate
- terrestrial coordinate system
- terrestrial digital television
- Terrestrial Dynamical Time
- terrestrial ellipsoid
- Terrestrial Ephemeris Origin
- terrestrial event
- terrestrial exoplanet
- terrestrial eyepiece
- terrestrial globe
- terrestrial gravitation
- terrestrial heat
- terrestrial hydrology
- terrestrial hydrology in China
- Terrestrial Intermediate Origin
- Terrestrial Intermediate Origin，TIO
- Terrestrial Intermediate Reference System
- terrestrial kilometric radiation
- terrestrial latitude
- terrestrial longitude
- terrestrial magnetic disturbance
- terrestrial magnetic guidance system
- terrestrial magnetism