受精卵孵化
hatching of fertilized eggs
鱼巢附卵孵化
hatching in flow water without nest
4MW生物质气化发电系统
4MW biomass integrated gasification power generati
X射线激发发光
X-ray excited luminescence
X射线激发发光光谱
x-ray excited luminescence spectrum
x-射线激发发光光谱
x-ray excited luminescence spectrum
X射线激发发射
X-ray excited emission
X-ray excited luminescence
变化发展趋势
direction of change and development