A.2個(gè)B.3個(gè)C.5個(gè)D.10個(gè)
A.1/3B.1/4C.1/5D.1/10
A.實(shí)時(shí)測(cè)量、數(shù)據(jù)存貯、信息傳輸B.數(shù)據(jù)采集、存貯(顯示)、傳輸控制C.數(shù)據(jù)采集、數(shù)據(jù)傳輸、信息控制D.數(shù)據(jù)測(cè)量、信息控制、數(shù)據(jù)傳輸