DCS中D代表的英文单词是（）。
Standard "Shewhart" control charts assume that the distribution of sample means is:A . uniformB . normalC . discreteD . symmetricalE . B and D only
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DCS画面中PIA代表的意义是()。A、温度指示报警B、液位指示控制C、流量指示控制D、压力指示报警
ON－OFF information can be represented by _____ signal.A、a digitalB、an analogC、a discreteD、a control
ESD中字母E代表的英文单词是()。A、EquipmentB、EmergencyC、Electricity
67．A． digitalB． modernC． C． realD． D． healthy
下列英文单词中不属于PPP缩写所代表的单词的是()。A.PrivateB.PublicC.Partner shipD.People
DCS中D代表的英文单词是()。A.DigitalB.DistributedC.Diagnose
