[宇宙线的]重初级核  heavy primaries [of cosmic ray

miRNA初级转录产物  pri-miRNA

变矩器初级部件  converter primary component

变矩器初级调节器弹簧  converter primary regulator spring

变矩器初级调节器阀  converter primary regulator valve

不分年级初等计画  ungraded elevmentary programs

草地初级生产能力  Grassland primary productivity

草原初级生产力  Grassland primary productivity

长初级双边直线感应电动机  Long Primary Double-sided Linear Induction Motor

长初级直线感应电动机  Double-sided Linear Induction Motor

出局初级接线器架  outgoing primary switch frame

初级<反应>电池  primary cell

初级SiO2粒子  primary silica particles

初级X射线  primary X-ray

初级暗区  primary dark space

初级孢原细胞  primary sporogenous cell

初级孢子原细胞  primary sporogonium

初级胞饮液胞  primary pinocytosis vacuole

初级鼻腔  Primary nasalcavity