a process that looks at activities or products on a regular basis to make sure they are being done at the required level of excellence. in clinical trials, quality assurance makes sure that all parts of the trial follow the law and the good clinical practice guidelines. also called qa.
出典:Wiktionary
Quality guaranteed.
質のよさ
the qualitative goodness
上等品.
to be nice about the quality
It is of substantial quality.
極上の.
Quality guaranteed.
of good quality and condition
to be nice about the quality
It is of substantial quality.