On the basis of the aesthetic taste of various artistic forms of tang dynasty , this essay will analyze the basic features of ou ' s , yan ' s and liu ' s style and probe into the internal relation among them 本文结合唐代各种艺术形态的审美趣味，分析欧体、颜体、柳体的基本特徵，探讨其中的内在联系。
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Ever since , things haven ' t been the same at the sprawling industrial giant , which manufactures pratt & whitney aircraft engines , sikorsky helicopters , carrier heating and air - conditioning equipment , and otis elevators and escalators 从那以后，这个躺着的工业巨人开始洗心革面，分组成普拉特和威特尼飞机引擎公司、斯扩斯盖直升飞机公司、凯瑞尔暖气系统和空调设备公司和欧体斯升降机和自动扶梯公司。
