un. 为效度的观测值
[网络] 观测的可用性；观测可用度；有效度观测值

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6. Other identifiable causes of offensive acts include frustration or failure in school, the increased availability of drugs and alcohol, and the growing incidence of child abuse and child neglect. 【分析】简单句。Other identifiable causes of

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发表于:2019-01-10 / 阅读(148) / 评论(0)

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发表于:2019-02-08 / 阅读(90) / 评论(0)

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发表于:2019-02-14 / 阅读(100) / 评论(0)

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