【单选题】1 For the Greeks, beauty was a virtue: a kind of excellence. Persons then were assumed to be what we now have to call—lamely, enviously—whole persons. If it did occur to the Greeks to distinguish betw...
【简答题】The period of oscillation T of a water suce wave is assumed to be a function of density ρ,wavelength λ,depth h, gravity g, and suce tension γ. Rewrite this relationship in dimensionless form. Wh...