The sun's magnetic field near Earth has tipped south, opening a crack in Earth's magnetic defenses against the solar wind.
太阳在地球附近的电磁场已经偏向南方，在地球抵御太阳风的磁场防卫层上打开了一道口子。
The earth and sky were shaking and the ground seemed to crack, the church bells swayed and tolled by themselves, sea waves roared higher than ever before.
地球和天空都颤抖起来，地面似乎要裂出缝来，教堂的钟被疾风吹着敲响起来，海浪的咆哮声比任何时候都可怕。
By using the seismic source model of crack containing hyperpressure gas, the course of radioactive heat energy in the earth to accumulate in the focal area and cause for earthquake are studied.
根据含超压气体裂隙震源模式，分析了地球内部放射热能向孕震区积聚的过程。
The experimental results show that adding rare earth into cast semi steel can defer the time of forming fatigue crack, reduce the speed of crack propagating and increase the impact fatigue resistance.
结果表明，稀土能推迟裂纹萌生的时间，降低裂纹扩展速率，提高其冲击疲劳抗力。
The experimental results show that adding rare earth into cast semi steel can defer the time of forming fatigue crack, reduce the speed of crack propagating and increase the impact fatigue resistance.
结果表明，稀土能推迟裂纹萌生的时间，降低裂纹扩展速率，提高其冲击疲劳抗力。
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