gamma-ray source

基本解释

The Vela pulsar is the brightest persistent source in the gamma-ray sky.
船帆脉冲星是伽马射线的天空中最明亮的放射源。
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The nuclear-cement log is similar to a density log in that it contains a gamma ray source and measures the backscattered gamma rays.
核水泥测井与密度测井相类似，因为它具有一个伽马射线源，而且测量反散射伽马射线。
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In December 2009 it flared up again, becoming the brightest persistent source ever seen in high energy gamma-rays (gamma-ray bursts are momentarily brighter, but they are over in a few minutes).
但在2009年12月，它再次骤然闪烁起来，成为有史以来高能伽马射线亮度最强的持久亮源（伽马射线爆发通常瞬间变亮，但几分钟后就结束了）。