dry agriculture造句

• Degeneracy of water , soil and organism has shook the economic foundations of dry agriculture and nomadic industry and affected the social development of xian zhou and western zhou dynasty
  环境的恶化导致了水土资源的退化，大大动摇了旱作农业和游牧业的经济基础，影响着先周和西周社会的发展。
• Even if the proposed tunnel option is shown to be not causing any significant impacts to the long valley ecosystems , this is only a temporary relief to long valley which however is still unprotected and can be destroyed by legitimate land use changes e . g . , dry agriculture use under the existing agriculture use zone
  纵使建议的隧道钻挖方案证实不会对?原生态系统造成严重的影响， ?原亦只是暂且逃过一劫，尚未得到正式的保护，随时会因?原属于农业用途用地，而遭合法的土地用途改变如乾耕农地破坏。