1. Called Auroral Kilometric Radiation (AKR), the noise is generated by the same shaft of solar particles that produces an aurora in the atmosphere below.
   所谓极光千米辐射，噪声是由太阳微粒产生，而这些微粒又产生大气底层的极光。
2. It is most likely that cholesterol and bile acid hyposecretion make the AKR strain susceptible to the development of fatty livers and resistant to gallstone formation.
   肝内胆汁中胆固醇和胆酸的低分泌可能与AKR鼠脂肪肝的发生和胆囊结石的免患性有关.

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