靜水力學,流體靜力學
Hydrostatics \Hy`dro*stat"ics\, n. [Cf. F. hydrostatique.] (Physics) The branch of science which relates to the pressure and equilibrium of nonelastic fluids, as water, mercury, etc.; the principles of statics applied to water and other liquids.
hydrostatics n : study of the mechanical properties of fluids that are not in motion