Initialism of quality assurance.

• Systematic processes ensuring products or services meet standards.
• The department responsible for preventing defects.

质量保证的缩写。

• 确保产品或服务符合标准的系统性流程。
• 负责预防缺陷的部门。

Initialism of question and answer.

• A session or format where questions receive answers.

问答的缩写。

• 一个提问并获得回答的环节或形式。

Initialism of quaternary ammonium.

• A class of nitrogen-containing cations used as disinfectants or surfactants.

季铵的缩写。

• 一类含氮阳离子，用作消毒剂或表面活性剂。

A member of Queen Alexandra's Royal Army Nursing Corps.

• British Army nurse serving in that corps.

亚历山德拉王后皇家陆军护理兵团的一名成员。

• 英国陆军该兵团的护理人员。

Initialism of quixotic agitator.

• An impractical, idealistic activist; rare, humorous.

唐吉诃德式鼓动者的缩写。

• 罕见，带幽默色彩。