"Chu deng jiao yu." . . "初等教育" . "Mongolia." . . "Mongolia" . . . . . . . . . "Wai Menggu (Mongolian People's Republic)" . . "Wai meng gu" . . . . . . . "外蒙古" . . . . "Wai Menggu" . . . "Di li." . . "地理" . "Wai meng gu." . . "外蒙古" . . . "Li shi di li." . . "歷史地理" .