The centers are run by an ophthalmic assistant who is trained to conduct a full eye examination, administer diagnostic tests, treat simple ailments and prescribe glasses.

VOA: standard.2010.05.25

We're going to have a diagnostic quiz and you are taking a quiz the first day.

有一个诊断性小测验,你们第一天就得做一个小测验了

耶鲁公开课 - 聆听音乐课程节选

"In recent years, the development of rapid, diagnostic tests for malaria, also known as RDTs, which can be performed by healthcare workers after a brief training has made the extension of diagnostic testing to rural health facilities possible."

VOA: standard.2010.03.09