类地行星的密度的平均值大约是水的密度的五倍，而类木行星的密度平均值只有水的密度的1.5倍。
The densities of the terrestrial planets average about 5 times the density of water, whereas the Jovian planets have densities that average only 1.5 times the density of water.
全球超过四分之一的石油和近五分之一的天然气来自近海，尽管近海钻探的成本是陆地钻探的六到七倍。
More than one-quarter of the world's oil and almost one-fifth of the world's natural gas come from offshore, even though offshore drilling is six to seven times more expensive than drilling on land.
星期五地震震中的峰值地面加速度或者振动接近距离震中110英里（172公里）的福岛第一核电站设计承受能力的2倍。
Peak ground acceleration, or shaking, caused by Friday's earthquake was nearly double—at its epicenter—than what the Fukushima Daiichi plant, 110 miles (172 km) away, was built to withstand.
星期五地震震中的峰值地面加速度或者振动接近距离震中110英里（172公里）的福岛第一核电站设计承受能力的2倍。
Peak ground acceleration, or shaking, caused by Friday's earthquake was nearly double—at its epicenter—than what the Fukushima Daiichi plant, 110 miles (172 km) away, was built to withstand.
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