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 emission spectrum自发发射谱spontaneous ignition tendency自燃倾向性Spontaneously igniting in air自燃的在空气中自发地燃烧的spontaneous generation theory自然发生说Spontaneous closed dislocation自发性闭合性脱位spontaneous breaking of vacuum真空自发破缺Spontaneous speech recognition自然口语语音识别spontaneous combustion in goaf采空区自燃spontaneous coherent pulsation自发相关脉动spontaneous electrical current自然电流