The subject serial research of data base of water saving agriculture literature
Guo Jie-guan · Gansu Nongye Daxue xuebao · 2000
Aathor used the method of documentary metrology, counted and analysed 388species subject serial of documental data base in water-saving agriculture. The results showed thatthe subject serial, which the data base had been collected, guaranteed quality of collecteddocuments as well as guaranteed recall ratio accuracy ratio, and documental subjectclassification in water-saving agriculture had high degree of centralism and wide scattering. Thesecharacteristics would have a certain instructing function for the researchers; teachers anddocumentary information staffs to used the database fully and effectively.