active filter活性: activity; active; activated滤波器: electric filter; wave filter ...特性滤波器: property filter线性滤波器: linear filter非线性滤波器: nonlinear filter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:活性滤波器，即可在微信中查询翻译
