- 高质量 gāozhìliàng high-qualityhigh quality
- 质量管理 zhìliàngguǎnlǐ quality management
- 服务质量 fúwùzhìliàng QoSQuality of Service; the technical performance and reliability of a computer network or telecommunications system
- 质量保障 zhìliàngbǎozhàng quality assurancequality assurance (QA)
- 临界质量 línjièzhìliàng critical massthe minimum amount of fissile material or size needed to maintain a reaction or process
- 质量数 zhìliàngshù mass numberthe total number of protons and neutrons in an atomic nucleus; atomic weight or mass
- 质量检查 zhìliàngjiǎnchá quality inspection
- 身体质量指数 shēntǐzhìliàngzhǐshù body mass indexbody mass index (BMI)
- 质量块 zhìliàngkuài massa discrete physical object or component characterized by its mass, typically used in physics or mechanical engineering contexts
- 原子质量 yuánzǐzhìliàng atomic massthe mass of an atom
- 国家质量监督检验检疫总局 Guójiā Zhìliàng Jiāndū Jiǎnyàn Jiǎnyì Zǒngjú AQSIQGeneral Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
