With excellent angular resolution, good energy resolution and broad energy band, theChandra ACIS is so far the best instrument for studying the X-ray halos.是什么意思_With excellent angular resolution, good energy resolution and broad energy band, theChandra ACIS is so far the best instrument for studying the X-ray halos.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句