These are infragravity waves, so called because they are sub-harmonics of the original gravity waves.

这就是亚重力波，之所以这样命名是因为它们是原始重力波的分谐波。

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The play on gravity is mind-boggling – while foam and cardboard appear as weightless as their original counterparts, the concrete bags at center stage look every bit as heavy as their 60 lb originals.

重力设置是令人难以置信的——而泡沫和纸板似乎是失重的，中心舞台的混凝土袋看起来重如它们原有的60磅一样。

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The features and their original mechanism of gravity anomaly of the epicontinental arc in the Southeast China are the focal point in discussion.

重点探讨了我目东南沿海陆缘弧的重力异常特征及其形成机割。

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Sony also announced a number of titles for the system, with Little Deviants, Reality Fighters and Gravity Daze being original games, with franchise titles like Uncharted, Killzone, Wipeout, Resistance, Little Big Planet, Hustle Kings and Hot Shots Golf.

FORBES: Sony Reveals PSP Successor: The NGP