The energy band of hard X - ray, with strong penetrability, is an important astrophysical wave band.
硬 X 射线能段是天体物理的重要波段, 由于具有较强的穿透能力,因而它可以携带辐射区的很多信息.
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The idea of standard field building by developed rep - rate fast pulse hard X - ray generator was advanced.
提出了用研制的可重复频率快脉冲硬 X 射线源建立标准场的设想.
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