顺序信号元件 sequential element: 顺序元件; 顺序组件sequential signal: 顺序信号signal element: 信号单元; 信号码元; 信号元件; 信号元素sequential correcting element: 时序校正元件sequential logic element: 时序逻辑元件; 顺序逻辑组件下载手机词典可随时随地查词查翻译