Deduced the propagation rule of longitudinal and transverse wave. On the basis of this, propagation rules in attenuated ......

克服高等教育办学同质化问题是高等教育改革的发展方向和时代要求。本文通过分析城乡统筹背景下重庆高等教育办学存在的问题,提出......

Deduced the propagation rule of longitudinal and transverse wave.On the basis.of this,propagation rules in attenuated vi......