The compression in the EW direction during recent two years is more obvious than before, to south of Beijing it is the area of movement conversion and the quadrant pseudo-center of surface strain.

近两年东西向的压性作用较前明显，北京以南地区是运动的转化地区及面应变象限的准中心地区。

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On the surface, it's an 'augmented reality' app that superimposes the Outlines of the former World Trade Center towers in mobile photos of the New York skyline.

表面上，这是一款“增强现实”的手机应用，在手机照片的纽约天际线上描出曾经的世贸双子塔。

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On our spherical Earth, gravity pulls "down" us toward the planet's center of mass. So on a flat surface, we naturally stand up straight.

在我们地球上，重力会把我们拉向星球的质量中心，因此在平坦的地表，我们自然站得很直。

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The center of the earthquake was a scant 10 kilometers beneath the surface, and just 15 kilometers from the capital.

VOA: standard.2010.01.13

Users simply need to place their handsets in the center of the space, on a level surface, such as a table or chair.

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