一、出兵山东与退出济南始末20世纪20年代后期(1926年—1928年)的东亚政局和中日关系,处在一个风雨飘摇的大变局中。中日两国均在这一次动荡中进行了政权更替,两国的军事外交关系也开始进入新一轮的较量。1927年春夏之交,武汉国民政府与南京国民政府先后出兵继续 First, the dispatch of troops to Shandong and exit from Jinan The late 1920s (1926-1928) East Asian political relations and Sino-Japanese relations, in a precarious change. Both China and Japan conducted a regime change during this turmoil, and the military diplomatic relations between the two countries have begun to enter a new round of contest. At the turn of spring and summer of 1927, the Wuhan National Government and the Nanjing National Government successively dispatched troops to continue