短語詞組短語gravitational condensation potential energy 引力勢能gravitational field potential 萬有引力勢gravitational condensation potential 重力勢gravitational potential model 重力位模型nonspherical gravitational potential 非球形引力位gravitational potential coefficient 引力位系數(shù)gravitational potential field 引力位場scalar gravitational potential 標(biāo)量重力勢gravitational potential difference 重力勢差 返回 gravitational potential