惠阳地区

  • Huiyang region;【地名】【中国】Huiyang Prefecture
惠阳地区惠阳地区
  1. 广东省惠阳地区改进农业生态系统结构刍议

    Improvement of the structures of Agroecological system in Huiyang district , Guangdong province : a tentative suggestion