Files should be saved into topic-specific directories, and spreadsheets can be used to make notes about specific file contents.
文档应该保存到专题目录下，并采用电子表格来记录具体的文件内容。
2
The experimental results show that the algorithm has higher precision and faster computation speed for the topic-specific retrieval.
实验证明，在主题检索方面，该算法具有较快的速度和较高的查准率。
3
According to their mutual information, phrases are extracted from the log and they are combined with a general dictionary to construct a topic-specific dictionary.