搜索筛选:
搜索耗时5.9122秒,为你在为你在102,285,761篇论文里面共找到 2 篇相符的论文内容
类      型:
[期刊论文] 作者:by Yu Fawen, 来源:China Pictorial 年份:2018
China’s agriculture has seized enormous achievements over the past four decades since its reform and opening up began in the late 1970s. Meanwhile, the ecology has paid a heavy price, which is influen...
[会议论文] 作者:Li Zhou,Yu Fawen,Liao Yongsong, 来源:第四届中古社会科学研讨会:农业发展与粮食安全 年份:2010
  The basic national conditions of China featured by a large population and less water and land resources, have imposed a lasting stress on food security in t...
相关搜索: