费米太空望远镜在2009年就曾发现这一与正电子有关的特征现象的线索，地点正是在源于雷暴的地表伽马射线中。
The Fermi Space Telescope found hints in 2009 of the telltale pattern associated with positrons in terrestrial gamma rays stemming from lightning storms.
纳米探针通过聚焦强X射线激发样品，然后收集发射出的特征荧光。
The nanoprobe excites the sample with a strongly focused X-ray beam and collects the characteristic fluorescence signal that is re-emitted.
这个模型看来很好的解释了X-射线探测到的Sgr A*周围扩张的热气体形态与其它波长射线所探测的特征相一致。
The model appears toexplain well the extended shape of hot gas detected around Sgr A* inX-rays as well as features seen in other wavelengths.
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