地じ面めん効こう果か

noun

ground effect

Technical term in aviation referring to the increased lift and decreased drag experienced by an aircraft when flying close to the ground.

• 地じ面めん効こう果かを利り用ようして、飛ひ行こう機きは低てい空くうで効こう率りつ的てきに飛ひ行こうできる。

  Using ground effect, an aircraft can fly efficiently at low altitude.