Prograde orbits are more vulnerable than retrograde ones.
因此顺行的轨道会比逆行轨道更加脆弱。
Concepts of metamorphism, metamorphic reaction, prograde and retro - metamorphisms.
变质岩的一般概念、变质反应、进变质和退变质。
If accretion takes place in eccentric orbits as well, the rotation will be prograde and of the right order of magnitude.
如果吸积发生在偏心轨道，则自转将是正向的，且快慢也合适。
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