短語詞組短語velocity of nitrogen assimilation 氮素同化速度nitrogen assimilation of plant 植物氮同化carbon and nitrogen assimilation 二十二capacity of nitrogen assimilation 氮素同化能力nitrogen assimilation path 氮同化途逕Carbon -nitrogen assimilation 碳氮同化Primary nitrogen assimilation 初級氮同化nitrogen assimilation amount 氮同化量 返回 nitrogen assimilation