( )A.Decompostion structuresB.Layer structuresC.Implementation structuresD.Component-and-connector structures
( )
A.Decompostion structures
B.Layer structures
C.Implementation structures
D.Component-and-connector structures
相关考题：
RBS2206机架可支持以下哪种载波设备()。 A. TRUB. sTRUC. dTRUD. xTRU