taking the Viennese classical school as an example 动机运动模式研究：以维也纳古典乐派作品为例：taking the Viennese classical school as an example taking the grand canal as an example taking the Yangtze river delta as an example taking the steel industry as an example taking the western region as an example taking the Xinyang-Nanyang highway as an example taking the northwest region as an example taking the Pearl River Delta as an example taking six provinces in central China as an example