平均: average; mean缺点: shortcoming; defect; weak po ...数: frequently; repeatedly平均缺陷数: average number of defects百件缺点数: defects per hundred单位缺点数: defects per unit; dpu每百万缺点数: defects part per million dppm缺点数管制图: number of defects control chart单位平均缺陷数: defect per unit过程中平均缺陷率: process average defective fraction平均缺陷发生率: average of defect rate单位缺点数管制图: defects per unit contro chart百万个机会的缺点数: dpmo每百万单位的缺点数: dpm: defect per million每百万个机会的缺点数: defects per million opportunities, dpom; dpmo每百万缺点数管制图: defect parts per million control chart缺点: shortcoming; defect; weak point; weakness; disadvantage; drawback; foible 克服缺点 overcome one's shortcomings; 事事不免有缺点。 everything has its drawback. 这本书的主要缺点是篇幅太长。 the chief objection to this book is its great length.; 缺点学 defectology点数: check the number (of pieces, etc.); count; points; tally◇点数单 tally sheet; 点数单据 tallying document; 点数员 tally clerk; tally man故障,缺点: fault过失，缺点: defect noun零缺点: defect, zero; zd zero defect缺点,污点: blemish缺点；故章: fault code缺点的: vicious缺点学: defectology
