物ぶつ理り記き録ろく密みつ度ど

noun

physical recording density

Technical term used in computing and data storage to describe the amount of data that can be stored per unit area or length on a physical medium.

• ハードディスクの物ぶつ理り記き録ろく密みつ度どは年ねん々ねん向こう上じょうしている。

  The physical recording density of hard disks is improving year by year.