挥发油成分分析
analysis of volatile constituent
挥发油成分的基因调控
Genetic control of the chemical composition of vol
挥发油成分
Volatile oil
volatile oil constituents
volatile oil components
volatile oil compositions
Components in volatile Oil
volatile constituents
挥发油测定仪
volatile oil determination apparatud
挥发生有机污染物
Volatile organic compound
挥发裂变产物
volatile fission products
蝗虫发生面积
area of grasshopper occurrence