The estimation of the gravity value in qomolangma peak 略论珠穆朗玛峰重力值的推估
2.
Jiu zhang suan shu and other ancient mathematical works recorded the specific gravity value of some materials and collected some related computational problems 《九章算术》等古代数学典籍记载了一些物质的比重值及收录了一些与比重有关的算题。