Current theories suggest two ways in which a gaseous, dusty ring around a young star can form into gas-giant planets.
现有的理论提出了两条途径来解释在一个由气体尘埃环围绕的年轻恒星周围如何形成气体巨型行星。
A primary power-generating device based on the production of an electric current by the oxidation of a gaseous fuel, usually hydrogen.
基于气体燃料(一般是氢气)氧化产生电流的一种一次能源发生设备。
A primary power-generating device based on the production of an electric current by the oxidation of a gaseous fuel, usually hydrogen.
基于气体燃料(一般是氢气)氧化产生电流的一种一次能源发生设备。
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