句析句结构呢我想知道launched .......that........别充句答：1）launched by the 19th-century department stores that offered vast arrays of goods inan elegant atmosphere.词短语作定语修饰其前a culture of consumption；2）该词短语 that offered vast arrays of goods in an elegant atmosphere 限定性定语句修饰限定其前先行词stores；3）vast arrays of 固定词组意：量；批；各式各；4）请参考面英译汉：融入19世纪百货商店所倡导"消费文化"些百货商店优雅环境提供各式各商品.欢迎追问
(西南交通大学2006年考研试题)求图15—31所示双口网络的Z参数和Y参数矩阵。
