目前，我国社会科学文献的保障模式大致有个体保障模式和联合保障模式两种，实践中后者比前者具有优越性。

At present, there are two supply models of document resources of social science in China: the individual and the united. Comparatively speaking, the later is superior to the former.

youdao

目前，我国社会科学文献的保障模式大致有个体保障模式和联合保障模式两种，实践中后者比前者具有优越性。

At present, there are two supply models of document resources of social science in China: the individual and the united. Comparatively speaking, the later is superior to the former.

youdao