Theories range from the extinction of the mammoth to sudden environmental changes caused by a comet impacting or earth or the break of a massive freshwater lake, lake Agassiz.
这些理论包括猛犸象的灭绝、因彗星或地球引起的环境剧烈变化、以及阿加西湖淡水的减少。
NASA scientists have calculated the satellite will break into 26 pieces as it gets closer to Earth.
经航天局的科学家计算，卫星在到达地球时会分解成26块碎片。
Alwash found the local people who had stayed had already begun to break up the walls with shovels or earth diggers, and they have continued to do so.
阿瓦什发现曾居于此地的当地人已经开始利用铲车和挖掘机破除土墙，并且持续不止。
When so many old structures break apart it is not easy for the human being to understand what must happen so that the Earth can be born again.
正当这么多旧有架构崩毁之际，人类很难了解会发生什么事才能让地球重生。
But to get there, those astronauts literally had to break out of the tremendous gravity pull of the earth.
但为了抵达月球，毫不夸张地说，这些宇航员得挣脱地球对其极大的地心引力。
The Yangxi Bridge and Changyun Company which located in Zhuchi are also going to break the earth, and Zhuchi will be accessible from all directions.
选址在朱池的洋溪大桥和长运公司也将在今年破土动工，届时朱池将会有一个四通八达的交通网络。
Earth now turns her attention to creating a substance and energetic movement to break water molecules a part within her waterways and into the components of hydrogen and oxygen.
地球现在正在将注意力转移到创造一种物质和能量运动来分解水域中的水分子，以便产生氢气和氧气的过程当中。
Break out accidents have never occurred and surface quality of slabs has been improved since introduction of this new type of mould flux into continuously casting the rare earth treated steel.
应用新型的稀土处理钢用保护渣没有发生拉漏事故，并提高了铸坯表面质量。
Many researches on the mechanism of earth-rock DAMS due to overtopping failure and the process of break development have been carried out, but few involves the mechanism of clay core DAMS.
国内外针对土石坝漫顶破坏机理和溃决过程开展了大量的研究工作，但针对黏土心墙这一土石坝主要坝型溃决机理及溃决过程的研究工作却开展的很少。
Now who on earth is going to break the news to his mother?
现在到底由哪一个去告诉她母亲这个消息呢？
In order to study issues related to small dam-break, a series of studies about the stability of earth-rock DAMS that use varies materials for dam construction were conducted in Norway.
挪威进行了一项完整的关于不同筑坝材料的土石坝稳定研究项目，以研究小坝的溃决问题。
Now who on earth is going to break the news to her mother?
现在究竟由谁向他的母亲透露这个消息？
After the 3d model of reservoir imported into Google Earth, the animation of dam break and flood discharging is made according to the data and information of dam break.
将水库的三维模型导入虚拟地球，根据大坝溃决数据信息制作了大坝溃决以及洪水演进的模拟动画。
After the 3d model of reservoir imported into Google Earth, the animation of dam break and flood discharging is made according to the data and information of dam break.
将水库的三维模型导入虚拟地球，根据大坝溃决数据信息制作了大坝溃决以及洪水演进的模拟动画。
应用推荐