解释下列名词概念：《大众传媒宣言》、《麦克布莱德报告》、《塔罗瓦尔宣言》。
参考答案
参考解析
【分析题】
Only gradually was the by-product of the institution noted, and only more gradually still was this effect considered as a directive factor in the conduct of the institution.
（1）简述《理发师》展现的音乐特点
