acoustic propagation constantacoustical propagation constantacoustical propagationconstantsound propagation constant声: sound; voice传播: disseminate; propagate; spre ...常数: constant传播常数: propagation coefficient; propagation constant; propagation ratio复传播常数: complex propagation constant; constant下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:声传播常数，即可在微信中查询翻译
