Spontaneous SAH自发性蛛网膜下腔出血
spontaneousadj.自发的,自然的,本能的;自然产生的
spontaneous speech production自然言谈生成
spontaneous melt infiltration自发熔融浸渗
spontaneousness wind pressure自然风压
spontaneous recrystallization自发再结晶, 自生再结晶
spontaneous external bleeding衄血
spontaneous combustion period自然发火期
spontaneous electrogravimetry自发电重量测定法
spontaneous potential logging自然电位测井
spontaneously fissible isomer自发裂变同质异能态