latent semantic index的用法和樣例：
例句
- This method is an adaptation of the latent semantic indexing method originally used to index text documents.
這種方法是一種適應的潛在語義索引法原本用於文本索引。 - This paper briefly describes the background of text filtering and puts forward the logic model for Chinese-English cross-language text filtering based on Latent Semantic Indexing.
文章簡要地描述了文本過濾的背景，提出了基於潛在語義索引的中英文雙語交叉過濾的邏輯模型。
