相反，来自双白矮星并合的超新星产生的X射线辐射要比吸积少很多。
A supernova from a merger of two white dwarfs, on the other hand, would create significantly less X-ray emission than the accretion scenario.
通过研究双对称代数的对偶结构，主要讨论双对称余代数的张量积及双对称代数和双对称余代数之间的对偶关系。
The tensor products of double-symmetric coalgebras and the dual relationships between double-symmetric algebras and double-symmetric coalgebras are discussed.
赣北中元古界双桥山群是一个完整的浊积扇体。
The Mesoproterozoic Shuangqiaoshan Group in northern Jiangxi appears as a complete turbidite fan.
赣北中元古界双桥山群是一个完整的浊积扇体。
The Mesoproterozoic Shuangqiaoshan Group in northern Jiangxi appears as a complete turbidite fan.
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