self gravitation 自引力
self-gravitation system 自引力体系
self-gravitation effect 自引力作用
self-gravitation action 自引力作用
The effect of the step for the short self-gravitation of molecular clouds is studied by means of numerical simulation.
通过计算机模拟技术，对短程力步长在星系中的分子云和恒星的演化中的作用做了详细的研究。
It is generally assumed the solution of galactic shock wave is local one and takes no account of gaseous self-gravitation in the theory of density wave.
密度波理论中星系激波的解大都假设为局部的，并且往往不考虑星际气体自引力的影响。
Black holes smaller than this limit can only be created if their matter is subjected to sufficient pressure from some source other than self-gravitation.
如果它们的物质受制于来自胜于自我引力的一些足够大压力其它来源，只能产生比这个界限小的黑洞。
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