演喜劇里的配角或丑角,以順從的、下級的方式行事.A comedy or pantomime in which Harlequin is the main attraction.法律還被定義為上級對下級的命令.Law has also been defined as a command from a superior to an inferior.系統(tǒng)采用PPI通信 協(xié)議,主控室IPC為系統(tǒng)上級, 通過主從式網(wǎng)絡(luò)與下級的PLC通訊,獲取生...