underwater optics
alternative label: underwater light propagation
related: seawater
broader: oceanography
preferred label: چشم زیرآبی @fa
type: Concept

seawater
preferred label: آب دریا @fa
type: Concept
related: underwater optics

oceanography
preferred label: اقیانوس‌شناسی @fa
type: Concept
narrower: underwater optics