Мир Российская Премьер-лига|19-й тур
借助光栅原理，让屏幕发出的光只能从正面特定角度范围内看到，从而实现「大角度防窥」的效果：
，更多细节参见同城约会
Three days later:
The principles of digital etiquette remain the same as other kinds of etiquette, but they are also “context specific and many of the rules are implicit rather than explicit,” said Rupert Wesson, a director at Debrett’s, the British etiquette guide, who outlined key tips for The Associated Press.
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用