精せい密みつ検けん査さ

noun, noun or participle which takes 'suru'

thorough checkup; complete examination; detailed testing

Used for medical, technical, or investigative contexts where a detailed, comprehensive inspection is performed. Often implies a more in-depth follow-up after a preliminary test.

• 健けん康こう診しん断だんで異い常じょうが見みつかり、精せい密みつ検けん査さを受うけることになった。

  An abnormality was found during my health checkup, so I ended up undergoing a thorough examination.

• この機き械かいの故こ障しょう原げん因いんを特とく定ていするために精せい密みつ検けん査さを行おこないます。

  We will conduct detailed testing to identify the cause of this machine's malfunction.