半叶

• Studies on folk literature of yunnan ' s ethnic minorities in the 20th century
  20世纪前半叶的云南少数民族民间文学研究
• The research of normal education of kham area in the first half of the 20th century
  20世纪上半叶康区师范教育发展述论
• On mothers ' image in chinese war novels in the second half of the 20th century
  论20世纪下半叶中国战争小说中的母亲形象
• 2nd half of 19th century
  清19世纪下半叶
• Child - centered thoughts began to bloom and widely spread in the time
  20世纪上半叶中西方都兴起了一股以儿童为本位的思潮。
• The development of western historical epistemology in the second half of the 20th century
  20世纪下半叶西方史学认识论的发展
• The percentage of the villager ' s level of literacy in the earlier period of the 20th century
  20世纪前半叶乡村人口的识字水平
• The new trends of international historiography in the second half of the twentieth century
  20世纪下半叶国际历史科学的新潮流
• Account for the limited success of china ' s reform efforts during the period 1860 - 1900
  试述中国在十九世纪下半叶改革的有限成就
• Preliminary explorement on the economy and trade in yanbian region in the first half of 20th century
  20世纪前半叶延边地区经贸初探