在影响结实率的诸多因素中，异花授粉的效率以及植物对异花授粉的依赖程度是重要因素。

We consider that the limitation and dependence of xenogamy are important factors among the factors influencing seed set.

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在影响结实率的诸多因素中，异花授粉的效率以及植物对异花授粉的依赖程度是重要因素。

We consider that the lomitation and dependence of xenogamy are important factors among the factors influencing seed set.

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蚂蚁从花朵中收获花粉时并不能保证一定可以产生异花授粉的效果：蚂蚁会爬到地面或其他植株上。

Cross-pollination isn't ensured when an ant picks up pollen off a pancake plant: The ant may then crawl to the ground or another species.

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