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
- unipolar sunspot
- unipolar transistor
- unipolyaddition
- unipolycondensation
- uniport
- unipotency
- unipotent
- unipotent automorphism
- unipotent cell
- unipotent character
- unipotent component
- unipotent element
- unipotent elements
- unipotent group
- unipotent matrix
- unipotent matrix group
- unipotent part
- unipotent radical
- unipotent radical of algebraic group
- unipotent representation
- unipotent semigroup
- unipotent stem cell
- unipotent subgroup
- unipotent transformation
- uniprimitive