Other clusters have bubbles, too.Chandra observations revealed x-ray cavities with associated radio emission in the Hydra A, Hercules A and Abell 2597 clusters.是什么意思_Other clusters have bubbles, too.Chandra observations revealed x-ray cavities with associated radio emission in the Hydra A, Hercules A and Abell 2597 clusters.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句