经济学

• 延安市

  Yenan located at the Loess pateau center, is the typical region loess landform distributed.

  5、延安市位于黄土高原腹地,是黄土地貌分布的典型区域。

艺术学

• 延安

  Chapter Two mainly discussed the play movement in Yenan.

  第二章论述延安的戏剧运动。