undamped不: a block of wood减幅: damp; amplitude reduction; a ...的: 4次方是 The fourth power of 2 i ...不减: ashley; leon减幅: damp; amplitude reduction; amplitude contraction; damping; weakening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:不减幅的，即可在微信中查询翻译
