二次文献即由无序文献经整理、加工而成的有序文献。这种标识准确、检索手段完备的二次文献能更充分地揭示文献的主体内容,使其由博而约,并以约驭博。因此面向检疫技术和科研,提供高质量、多方位的二次乃至三次文献服务已成为口岸动植检文献工作者的核心任务。昆明局图书资料室自1978年建局 Secondary literature that is organized by the disorder literature, processing and orderly literature. This accurate identification, complete means of retrieval of secondary literature can more fully reveal the main content of the literature, make it from Bo and about, and to Yu Bo. Therefore, for the quarantine technology and research, to provide high-quality, multi-directional secondary or even three literatures service has become the core task of port animal and plant inspection workers. Kunming Bureau Library Information Office since 1978