单词gravitational-mass
网络: 引力质量；重力质量；重量
It is a remarkable fact that the inertial mass of all bodies is, within experimental accuracy, proportional to the gravitational mass.
值得注意的是，在实验的准确度内，所有的物体的惯性质量与引力质量都成正比。
Relations between Inertial Mass and Gravitational Mass
惯性质量与引力质量的关系探讨
The Gravitational Mass Deficit of Charged Celestia Body
荷电天体的引力质量亏损