Though much research exists on adolescents and screen use, this is considered as the first tool to measure how addicted children are to screen media.
尽管已经有过很多关于青少年和电子屏使用的研究了,这个方法还是被视为第一个用来衡量孩子对屏幕媒介上瘾程度的工具。
Limit all screen media time to a maximum of two hours a day.
每天使用电脑或电视的时间限制在两小时之内。
Listing 1 shows the contents of the screen.css file we used to define our main screen media-specific styles.
清单1显示screen . css文件的内容,我们使用这个文件定义主屏幕媒体相关样式。
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