论唐中后期南衙对北司的依附
On the Dependence of Yamen South on Yamen North in the Middle and Late of Tang Dynasty
唐代前期是北衙军力的初步形成阶段，北衙是在南衙的母体内孕育和发展起来的。
The imperial forces at the Beiya , which took an initial shape in the Pre Tang times , were generated and developed inside those at the Nanya .
南衙