spontaneousnessn.自发(自生;自然产生;自然;天然)
spontaneousadj.自发的,自然的,本能的;自然产生的
spontaneous autoimmune thyroiditis自发性自身免疫性甲状腺炎
spontaneous nuclear transformation自发转化
spontaneous abandonment of a right自动弃权
Spontaneous Impregnation Principle自发浸渍原理
spontaneous optical rotatory power自发旋光本领
spontaneous labyrinthine deviation自发性迷路性偏斜
spontaneous combustion gangue dump自燃煤矸石山
spontaneous combustion fire source自燃火源
spontaneous pacemaker cycle length自发性起搏周期长度