海かい底てい探たん査さ

noun

seabed exploration; submarine prospecting

Technical and general term for surveying, probing, or prospecting the ocean floor, often for scientific, resource, or engineering purposes.

• 海かい底てい探たん査さによって新あたらしい鉱こう物ぶつ資し源げんが発はっ見けんされた。

  New mineral resources were discovered through seabed exploration.

• この海かい域いきでは海かい底てい探たん査さが行おこなわれている。

  Seabed exploration is being conducted in this sea area.