常見(jiàn)例句

• Abnormal development was observed at tetrad and mature embryo sac.
  在四分體和成熟胚囊時(shí)期觀察到了異常發(fā)育現(xiàn)象。
• The megaspore mother cell meiosis to form a linear megaspore tetrad.
  大孢子母細(xì)胞減數(shù)分裂產(chǎn)生直線(xiàn)形大孢子四分體。
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