PSI Production Shipping Inventory 预备待出货

PT Proficiency Testing 能力验证

PV Present Value 现值

PW Present Worth 现在价值

Q Quetzal 格查尔

QA Quality Assurance 质量保证

QAM Quality Assurance Manager 质量保证主管

QB qualified buyers 合格的购买者

QBR Quarterly Business Review 季度业务审查

QCC Quality Control Circle 质量控制循环（品管圈）

QCM Quality Control Manager 质量控制经理

QDA Quantity Discount Agreement [商]大量折扣协议

QE Quality Engineering 品质工程

QFD Quality Function Deployment 品质机能展开

QI Quality Improvement 质量改进

QIB Qualified Institutional Buyer 合格机构买家/投资者

QIT Quality Improvement Team 质量改善小组

QM Quality Manual 品質手冊

QT Questioned Trade 有问题交易

R. return 收益