略語大辞典 [Opt] 27 NPP non-penetrating periscope 非(艇体)貫通潜望鏡. 光ファイバーを用いた潜水艦の外部観察装置.non-penetrating periscope; or non-hull-penetrating periscope; fiber optics whichtransmit digital video images from outside a submarine to image-processingand display consoles inside; [Opt:MIL]. 丸善「略語大辞典」JLogosID : 11863199