移步而不換形 :以梅蘭芳的戲曲舞蹈創作經驗探索戲曲發展新舞式之理論基礎 = "Yi bu er bu huan xing" (Changing without varying the essential from) : a discussion based on Mei Lanfang's creative process in Chinese operas dancing and in search of the method for developing new "wu shi" (dancing type)
