This weekend's test will mark CERN's first attempt to feed protons (or, simply, "beam") into the LHC from a chain of smaller accelerators.

本周末的测试标志着CERN首次通过一系列小型加速器将质子(或简称为“束”)导入LHC。

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It USES the GPS and digital compass built into many phones and tablets to mark these sites directly on a live feed displayed on the device's screen-a technique known as augmented reality.

它利用内建于许多手机和平板电脑上的GPS和数字罗盘来直接标记这些站点在一个显示于设备屏幕的活跃的feed上——这是一项被称为AR (augmented reality增强现实)的技术。

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So if you want to know why Jobs sounded annoyed when he said (around the 25:25 mark of the video feed), “Why don’t you just give everybody a case?

因此如果你想知道为什么乔布斯在说（大约在这个视频的 25：25 处）：“为什么你不给所有人一个手机套呢？

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She also unveiled a plaque, covered with an animal feed bag, to mark the official opening.

BBC: Elephant habitat safari

In January, CEO Mark Zuckerberg described the News Feed as one of the three pillars of Facebook, along with Timeline and the new Graph Search feature, which is still in beta.

CNN: Facebook to announce new look for News Feed

The line is supposed to mark the minimum a person needs to feed, clothe and shelter himself.

ECONOMIST: Has ��a dollar a day�� had its day?