| Subject | English | Chinese |
| econ. | quality assurance guidelines | 质量保证指南 |
| tech. | quality guideline | 质量指南 |
| avia. | quality guidelines | 质量方针 (中国商飞公司的质量方针是精湛设计 (fine design),精细制造 (meticulous manufacture),精诚服务 (sincere service)，精益求精 (seeking perfection)) |
| tech. | sediment quality guideline | 底泥质量标准 |
| oil | water-quality guideline | 水质指标 |
| tech. | water quality guideline | 水质指标 |
| hydroel.st. | WHO Air Quality Guidelines | 世界卫生组织空气质量标准 |