Hydrometer: An instrument used for measuring the specific gravity of a liquid or solution.

比重计：量度液体或溶液的比重的仪器。

youdao

Exact solution of a statistical model for laser beam scattering from diffusing surface has been obtained, the comparison with the approximation of center of gravity has been made.

本文对激光束在漫射表面上散射的一类统计模型给出了严格解，并与“质心近似”所得结果作了比较。

youdao

This article introduced the the solution procedure of structure stress by finite element software ANSYS, represent the application of ANSYS, at last we finished the stress analysis of a gravity dam.

介绍了ANSYS有限元软件求解结构内力的过程，阐述了其分析应用，并完成了一个重力坝的内力分析。

youdao

Problems whose gravity is enough to produce near consensus among the population cannot seem to find a solution in Congress.

CNN: How strong, really, is America?