Females had a significant preference for laying their eggs and feeding on primary leaf to trifoliate leaf of field bean.

雌蝇在豆苗之真叶与复叶上产卵或取食时，均对豆苗之真叶具显著偏好性。

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The page designer does not need to know much about form beans, for example, beyond the bean names and the names of each field in a given bean.

例如，页面设计人员不需要清楚地了解表单bean，而只需要知道bean的名称和已知bean中每个字段的名称。

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A crude solution is to add a field to the event bean containing the primary keys of all clients attending that particular event.

一种原始的解决方案是向Event bean添加一个包含所有参加特定活动的客户主键的字段。

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