单词：abortive pollen
abortive pollen的用法和样例：
例句
- Varieties that do not produce fertile pollen are used as females.不产生可育花粉的品种被用作母体。
- The processes of meiotic division of pollen mother cells were compared between male sterile plants and male fertile ones.摘要以萝卜雄性不育株与可育株为试材，比较研究了不育与可育花粉母细胞的减数分裂过程。
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