| ABC analysis | ABC 分析 |
| Abnormality | 不正常性 |
| Abscissa | 横坐标 |
| Absolute deviation | 绝对离差 |
| Absolute dispersion | 绝对离势 |
| Absolute error | 绝对误差 |
| Absolute frequency | 绝对次数 |
| Absolute number | 绝对数 |
| Absolute reliability | 绝对可靠度 |
| Absolute term | 绝对项 |
| Absolute value | 绝对值 |
| Absolute variation | 绝对变异 |
| Abstract number | 抽象数 |
| Abstract unit | 抽象单位 |
| Accelerated factor | 加速系数，加速因子 |
| Accelerated life test | 加速寿命试验 |
| Accelerated test | 加速试验 |
| Acceleration | 加速度 |
| Acceptable limit | 允收界限 |
| Acceptable process | 允收制程水平 |
| Acceptable quality | 允收品质 |
| Acceptable quality level (AQL) | 允收质量水平 |
| Acceptable reliability level (ARL) | 允收可靠度水平 |
| Acceptability | 允收性 |
| Acceptability criterion | 允收标准 |
| Acceptance | 允收，验收[] |
| Acceptance probability of | 允收机率 |
| Acceptance region of | 允收区域 |
| Acceptance and rejection criteria | 允收与拒收准则 |
| Acceptance boundary | 允收界限 |
| Acceptance coefficient | 允收系数 |
| Acceptance control chart | 验收管制图 |
| Acceptance cost | 验收费用 |
| Acceptance criteria | 允收准则 |
| Acceptance error | 允收误差 |
| Acceptance inspection | 验收检验[] |
| Acceptance limit | 允收界限 |
| Acceptance line | 允收线 |
| Acceptance number | 允收（不良品）数 |
| Acceptance plan | 验收计划 |
| Acceptance procedure | 验收程序 |
| Acceptance/rectification scheme | 允收/精选方案 |
| Acceptance sampling attribute | 计数值验收抽样 |
| Acceptance sampling variable | 计量值验收抽样 |
| Acceptance sampling plan | 验收抽样计划 |
| Acceptance sampling scheme | 验收抽样方案 |
| Acceptance test | 验收试验 |
| Acceptance value | 允收值 |
| Acceptance zone | 允收区域 |
| Acceptance product | 允收品 |
| Accepting lot | 允收批 |
| Access time | 接近时间，故障诊断时间 |
| Accessibility | 可接近性 |
| Accident rate | 意外率 |
| Accidental error | 偶误，偶然误差 |
| Accidental fluctuation | 偶然波动 |
| Accidental movement | 意外移动 |
| Accounting test | 验算（决算）试验 |
| Accumulated operating time | 累积操作时间[] |
| Accuracy | 准确度 |
| Accuracy of data | 数据准确度 |
| Accuracy of estimation | 估计准确度 |
| Accuracy of the mean | 平均数准确度 |
| Achieved availability | 实际可用度 |
| Action | 行动，措施 |
| Action corrective | 矫正行动（措施） |
| Action control chart | 行动管制图 |
| Action limit | 行动界限 |
| Active line | 行动线 |
| Active maintenance time | 实际维护时间 |
| Active parallel redundancy | 主动并复联（置） |
| Active preventive maintenance | 现行预防维护时间 |
| Active redundancy | 主动复联（置）[] |
| Active repair time | 实际修复时间 |
| Active standby | 主动备用 |
| Active time | 运用时间 |
| Actual frequency | 实际次数 |
| Actual limit | 实际界限 |
| Actual range | 实际全距 |
| Actual value | 实际值 |
| Adaptability | 可适应性 |
| ...... | ...... |
