For the past seven years, this German set-up has been looking for gravitational waves - ripples in space-time thrown off by super-dense astronomical objects such as neutron stars and black holes.
在过去的七年中,这台德国装置一直在探测引力波——由诸如中子星和黑洞这样的超密度天体引发的时空波动。
Earthquakes, heat waves, floods, volcanoes, super typhoons, blizzards, landslides and droughts killed at least a quarter million people in 2010 - the deadliest year in more than a generation.
2010年死于地震、热浪、洪灾、火山喷发、超强台风、暴风雪、山体滑坡和干旱的人数超过了25万人,是30多年来死亡人数最多的一年。
The scanner used a super-cooled magnet and reflections of radio waves to determine how much oxygenated blood was in a given part of the subject's brain.
该扫描仪采用了超冷却磁体和反射无线电波,检测有多少氧合血流分布到受检人员的大脑部分。
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