短語(yǔ)詞組短語(yǔ)nitrogen fertilization recovery rate 氮素累積利用率hatching egg fertilization rate 種蛋受精率N fertilization rate N 肥施用水平recommended fertilization rate 推薦施肥量fertilization rate of IVF 受精率optimum fertilization rate 最佳施肥量egg fertilization rate 受精率chemical fertilization rate 化肥施用量affected the fertilization rate 躰外受精率 返回 fertilization rate