1. The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.
   单核期的小孢子出现壁发育不良和巨大及空花粉现象。
2. A. Strengthened the phagocytic count percentage of the single nucleus macrophage and the uninuclear cell, the macrophage to antigen recognition processing, transmission ability.
   增强了单核巨噬细胞的吞噬指数百分率。还能增强单核细胞，巨噬细胞对抗原的识别处理、传递的能力。

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