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
- P. Ruffini
- P. Ruffini (1765—1822)
- pruning
- pruning in dormant season
- pruning in growth season
- pruning machine
- Prunus necrotic ringspot virus
- Prunus Persica Flowers
- prunus vase
- prurigo
- pruritus
- pruritus and alopecia
- pruritus senilis, pruritus in the elderly
- pruritus vulvae
- Prussia
- Prussian agricultural capitalism
- Prussian blue
- Prussian pattern of capitalistic development in agriculture
- Prussian Privy State Archives
- Prussian School of History
- Pryasliny
- Prydz Bay
- prying and pressing tools
- prying mark
- Prym