longitudinal wave A form of wave motion in which energy is transmitted along the direction of the wave motion as the wave moves through a medium; a sound wave is an example of a longitudinal wave.
longitudinal wave
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。