短語詞組短語Unit operation process 機組運行過程unit Root Process 單位根過程;則稱該過程為單位根過程Tributary Unit Payload Process 支路凈荷處理the unit root process 單位根過程unit reaction process 單元反應程序unit -process 單元過程TUPPTributary Unit Payload Process 支路凈荷處理Basic unit of process 工藝基元 返回 unit process