artificial gap人工林窗artificialadj.人造的；虚伪的；武断的artificial intelligence system人工智能系统artificial silk from collodion火棉胶人造丝artificial hibernation therapy人工冬眠疗法artificial propagation of fish鱼类人工繁殖artificial insemination center人工授精中心站,人工授精场artificial heart energy system人工心脏能量系统artificial forest regeneration森林人工更新artificial flower of thin silk人造绒绢花artificial frost-thawed soil人工冻融土artificial compressible method虚拟压缩方法

1. Artificial oases are arid lands transformed by long-term human activities.
   人工绿洲是在干旱条件下经长期人类活动改造而形成的特殊景观。