Conclusion The organism was identified as Leptospira L - form by the multiple methods.结论多种方法均鉴定该菌株为钩端螺旋体L型.Aim To investigate the pathogenesis , treatment of leptospira L - forms myelitis.目的探讨钩体L型脊髓炎发病机理和防治.Cranial CT Fe...
Plains, plateaus, and mountain ranges are major landforms.平原 、 高原和山脉都是主要的地形.Landforms of topography, vegetation and climate are influential factors in formation of soils.地形或地形学 、 植被和气候都是对土壤形成有影响的因素.Water and soil loss is...
我们正在经历现代最严重的一段经济衰退。We are in one of the most severe recessions in modern times.前锋艾伦·史密斯两次严重失误，将球射偏。Striker Alan Smith was guilty of two glaring misses.全国的核武器工厂均受到了有毒废弃物的严重污染。Nuclear weapons plants across the country are ...