In another, they used a telephoto lens to take pictures of a set of keys on a cafe table from the roof of a university building.

在另一次演示中，他们站在一所大学的楼顶上，通过远摄镜头拍到了咖啡桌上的一串钥匙。

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Through the lens of evolution then, a belief in God serves a very important purpose: Religious belief set us on the path to modern life by stopping cheaters and promoting the social good.

通过进化的镜头，我们看到“信仰上帝”提供了一个很重要的目的：宗教信仰把我们领上现代生活的道路，人们之间减少或停止互相欺骗，合作促进良好的社会福利。

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This works best with a compact set on a tripod; simply hold a removed lens from the sunglasses' frame as close to the front of your camera lens as possible.

在三脚架上放张光盘，把拆下来的镜片就用手拿着，尽可能靠近镜头。

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This set of ideas will be a lens.

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"I set up one camera with a wide-angle lens for a wide view of the whole cathedral, and another with a longer lens trained on the centre of the cathedral floor below, " says Lipinski.

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