surohak
hydrography
hydrographie (spécificité général)
수로학은 물의 흐름과 분포를 연구하는 학문입니다.
surohak-eun mul-ui heureum-gwa bunpo-reul yeongu-haneun hakmun-imnida.
Hydrography is the study of the flow and distribution of water.
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