词汇	元排列
释义	元排列 yuánpáiliè〔名〕数学identical permutation
随便看	shift register generator shift-register generator shift register graph shift register insertion ring method shift register latch shift register memory shift-register memory Shift Register Recognizer shift registers shift register sequence shift-register sequence shift register sequential machine shift register storage circuit shift register theory shift register with capacitors shift register with discharge tubes shift register with magnetic cores shift register with thin-film storage elements shift registor shift relaxation reagent shift relay shift responsibility shift restlessly shift reverse shift rewind stand