extending the issue of the two-parent versus one-parent family is, "To what extent are these notions validated " cross-culturally?"

将双亲和单亲家庭的问题扩展了一下，“这些概念究竟在多大程度上,会因跨文化差异而有所变化

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The children must cross the road only with a teacher or parent.

孩子们必须和老师或父〔母〕亲一起过马路。

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The effect of selection was closely related with parent characteristics. The effect of different selection methods to select protein content varied with cross types.

选择效果与亲本特点有密切关系，不同选择方法对蛋白质含量的选择效果因杂交组合类型不同而异。

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extending the issue of the two-parent versus one-parent family is, "To what extent are these notions validated " cross-culturally?"

将双亲和单亲家庭的问题扩展了一下，“这些概念究竟在多大程度上,会因跨文化差异而有所变化“

耶鲁公开课 - 心理学导论课程节选

Merrill has been busy promoting the advantage its advisor force (16, 000 strong by the way ) has by being able to cross-sell bank products from parent company Bank of America.

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Eurotunnel spokesman John Keefe said the cross-Channel rail firm's parent company, Groupe Eurotunnel, would make the bid.

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There is also no reason a parent or volunteer should be disarmed when they cross the school line.

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