余年

• Darwin spent more than twenty years working on his theory of evolution
  达尔文花了二十余年时间研究他的进化论。
• Scientists have theorized about dark matter for about seventy years
  科学家们已经建立暗物质的理论体系七十余年。
• Comments on the research of women ' s history in the song dynasty over the past decade
  近十余年来宋代女性史研究探述
• Review of the studies on operation and management of overseas chinese enterprisers
  近十余年来的学术述评与研究展望
• From qing dynasty to today , exploited for more than about 200 years intermittently
  自清代到今，断续开采约二百余年。
• A review of modern chinese rural handicraft industry history in recent 50 years
  近50余年中国近代乡村手工业史研究述评
• Study of history geography and law on the south china sea in the past ten years
  十余年来国内南海问题的历史地理和法理研究
• Don ' t forget , gold was a dead market for over 20 years from 1980 to 2001
  别忘了，从1980年到2001年黄金市场冷淡了20余年。
• Sanjac was founded in 1996 , has experienced twenty year s in sensor area
  余年制造热电偶铂电阻设计开发生产经验的企业。