synchronous ADC同步模数转换synchronousadj.同时的；同步的synchronous asynchronous motor滑环式感应电动机synchronous vector measurement同步向量测量synchronous system trap routine同步系统陷阱程序synchronous opening and closing同步分合synchronous sequential computer同步时序计算机synchronous increment of energy同步能量增量synchronous serial transmission同步串行传输synchronous electromotive force同步电动势synchronous telegraph equipment同步电报设备synchronous idle characteristic同步信号字符