例句與造句

1. On supercooling a liquid towards the glass transition, the crossover from liquid-like to solid-like response moves from GHz to MHz, kHz, Hz, . . .; equivalently, the characteristic time of structural relaxation increases from ns to ?s, ms, s, . . . This is the microscopic explanation for the above-mentioned viscoelastic behaviour of glass-forming liquids.
2. It's difficult to find viscoelastic behaviour in a sentence. 用viscoelastic behaviour造句挺難的