卡斯帕对欧洲农业状况发表了一番颇有见地的见解。Kaspar had spoken know-ledgeably about the state of agriculture in Europe.传统的刀耕火种农业方式耗尽了土地的肥力。Traditional slash and burn farming methods have exhausted the soil.乌克兰的工业和农业都很发达。The Ukraine is strong ...
Objective Hyperoxia - induced lung injury is the most common cause of bronchopulmonary dysplasia ( BPD ) in neonates.目的高氧肺损伤是导致支气管肺发育不良(BPD ) 的最常见原因.Fibromuscular dysplasia is a, non atherosclerotic , segmental, multifoc...