Aerostatics
[,єәrәu'stætiks]
解释:
(n.) The science that treats of the equilibrium of elastic fluids, or that of bodies sustained in them. Hence it includes aeronautics.
谢丽尔手打
解释:
n. the science of the equilibrium of air or of elastic fluids: the science of raising and guiding balloons.
赫克托整理