中等林校图书馆以收集科技文献为主。及时地、准确地把这些大量的文献报导给读者,是图书采编人员不可推卸的责任。那么,编制什么样的检索工具,才能够充分地揭示馆藏呢?在长期的工作实践中,我发现无论从揭示文献的角度。还是读者的需求来看,主题目录越来越显示出它在科技文献检索中的优势,它具有书名、著者、分类三种目录所不具备的许多优 Secondary forest school library to collect scientific literature. It is an unshirkable responsibility for book collectors to timely and accurately report these large amounts of documents to readers. So, what kind of search tools can we fully reveal the collections? In the long-term work practice, I found that no matter from the perspective of revealing the literature. Or the needs of readers, the topic directory more and more shows its advantages in scientific and technological literature retrieval, it has many advantages not available in the three categories of title, author, classification