一段时间

Windows pop up periodically, each presenting a picture or video of a scenario, such as a Palestinian suicide bombing or an Israeli air strike, likely to trigger a response.

一些窗口将每隔一段时间弹出，每个窗口都展示一章相关图片或是一段视频，比如一个巴勒斯坦人发起的自杀式袭击或者以色列的空袭，等等一系列引发的反应。

People who follow P-time tend to do multiple tasks at the same time, tend to hold more fluid attitudes toward time schedules, and tend to integrate task needs with social needs.

遵守多元时间模式的人通常喜欢同一段时间里做几件事情，他们对时间的安排比较随意，工作时间和社交时间也没有严格的区分。

Second question concerning space and time: Sometime ago, we have been told that Einstein's idea of space-time is not the correct one, and that we should go back to some other ideas.

第二个问题关于空间和时间：一段时间之前，我们被告知爱因斯坦关于空间时间的理论不正确，我们应该回到其他理论上。