k) 類內(nèi)求取各變量間平均相關(guān)系數(shù)，以此對各變量排隊(duì)得等級序列;
SINAMICS S120 SINGLE MOTOR MODULE, 6SL3120-1TE21-8?AA4
BECKHOFF 4 KANAL EINGANGSKLEMME, EL3204
BECKHOFF 8 KANAL DIGITAL EINGANGSKLEMME, EL1008
SIMATIC S7-MODULAR EMBEDDED CONTROLLER, 6ES7677-1FD00-0?
SIMATIC S7 MODULAR EMBEDDED CONTROLLER, 6ES7677-1DD00-0?
BECKHOFF 4 KANAL DIGITAL EINGANGSKLEMME, EL1904
BECKHOFF 4 KANAL DIGITAL AUSGANGSKLEMME, EL2904
BECKHOFF TWINSAFE LOGIC, EL6900
BECKHOFF 2 KANAL ANALOG EINGANGSKLEMME, EL3162
BECKHOFF 2 KANAL OSZILLOSKOPKLEM?ME, KL3362
BECKHOFF 2 KANAL INKREMEMTAL ENCODER INTERFACE, EL5152
BECKHOFF 4 KANAL DIGITAL EINGANGSKLEMME, KL1114
REXROTH ASYNCHRONMOTOR, R911315967, MAD100B-0200-SA?-M2
REXROTH NETZFILTER R911306536, HNF01.1A-M900-E?0202-A-48
SINAMICS S120 ACTIVE LINE MODULE, 80KW, 6SL3130-7TE28-0?
REXROTH INDRADRIVE POWER SUPPLY R911297426, HMV01.1R-W0
REXROTH INDRADRIVE POWER SUPPLY R911297425, HMV01.1E-W0
ABB FREQUENZUMRICHT?ER, 75KW, ACS550-01-157A-?4
SIEMENS MICROMASTER 440, 2.2KW, 6SE6440-2AD22-2?BA1
DANFOSS FREQUENZUMRICHT?ER, 195N1007
