Three experiments were made to investigate the effects of the rated age of word acquisition (AoA) and word frequency on the identification of Chinese double character words.

三个实验考察词汇习得年龄和频率在词汇识别中的作用。

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A study which followed children from the 1920s to old age showed that people who were rated 'highly cheerful' by teachers at school died younger than their more reserved classmates.

一项跟踪调查20世纪20年代的小孩的研究显示，那些在学校被老师评价为“非常开朗”的人比其他较内向的同学死得更早。

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At the age of seven, their attractiveness was rated by their teachers.

这些人在7岁时，他们的老师对他们的吸引力做了评估。

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Games ought to be age-rated, just as films are, and retailers should not sell adult-rated games to children any more than they should sell them adult-rated films.

ECONOMIST: Video games

The FTC conducted its undercover shopper survey and found that 87 percent of attempted purchases of Mature-rated games by children under the age of 17 were prevented.

FORBES: Connect

Additionally, through the ESRB Retail Council, the industry works closely with retailers to support enforcement of policies that prohibit the sale or rental of M-rated games to children under the age of 17.

FORBES: Connect