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“Grace”号为地球上的水称重

Grace mission launches to weigh Earth’s water

A joint US-German mission has gone into orbit to weigh the water on Earth.[The satellites] will circle the globe and sense tiny variations in the pull of gravity that result from movements in mass.

一项进行美德联合任务的卫星已经进入轨道,将对地球上的水进行称重。(卫星)将环绕地球,并感知由于质量运动而产生的重力的微小变化。

These could be a signal of the land swelling after prolonged rains, or of ice draining from the poles as they melt in a warming climate.

这可能是长期降雨后陆地膨胀的信号,或者是在气候变暖的情况下冰川融化从两极流失的信号。

Read more at BBC

更多信息请移步BBC

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