帮我解释以下英语名词意思Dpu-----defect per unitDpo-----defect per opportunityDPPM-----defect part per millionDPMO------defect per million opportunity

问题描述:

帮我解释以下英语名词意思
Dpu-----defect per unit
Dpo-----defect per opportunity
DPPM-----defect part per million
DPMO------defect per million opportunity

DPU Defect Per Unit 单位缺点数
DPMO Defects Per Million Opportunity 百万个机会的缺点数Dpo defect per opportunity 是平均的一个Opportunity有几个单位
dppm-defect parts per million 百万分之…的不良率

DPMO 百万个机会的缺点数 Defects per million opportunities
DPM 每百万单位的缺点数 Defects per million
DPU 单位缺点数 Defects per unit
DPPM 百万分之…的不良率 Defect Part Per Million