Earthquake is usually caused by a sudden slip on a fault, resulting in ground shaking and release of seismic energy. Fire, landslide and tsunami are common hazards following an earthquake.
地震通常由断层的突然滑动所致，除了地壳震动外，更因释放能量引发其他灾难，例如火灾、滑坡及海啸。
To further improve the ability of human safety use of nuclear energy, preventing its potential hazards.
进一步提高人类安全利用核能的能力、防范其潜在的危害。
Their freedom from radioactivity and its potential hazards was a great advantage, but their glow tended to be short-lived, fading rapidly as the stored light-energy was discharged.
荧光材料最大的好处是无放射性，但是其发光时间短，随着储存的能量释放，亮度迅速减弱。
Their freedom from radioactivity and its potential hazards was a great advantage, but their glow tended to be short-lived, fading rapidly as the stored light-energy was discharged.
荧光材料最大的好处是无放射性，但是其发光时间短，随着储存的能量释放，亮度迅速减弱。
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