丘普z变换chirp: n. (鸟的)啁啾声;(虫的)唧唧声;(无线电的)啁啾声 ...z: Z = 1.Zenith distance ...z transform: z变换z-transform: z变换; z转换inverse z-transform z: 反变换下载手机词典可随时随地查词查翻译