因此几十年来，天文学家一直将其视为高能天体物理领域的“标准烛光”使用。

So for decades, astronomers have used it as a "standard candle" in the field of high-energy astrophysics.

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因此几十年来，天文学家一直将其视为高能天体物理领域的“标准烛光”使用。

So for decades, astronomers have used it as a "standard candle " in the field of high-energy astrophysics.

youdao