Translation guide
The boundary between cold polar air and warm tropical air. In Japanese, this is a technical meteorological term.
The atmospheric boundary separating polar and tropical air masses.
Standard meteorological term for 'polar front'.
寒帯前線は、寒帯気団と熱帯気団の境界です。
The polar front is the boundary between polar and tropical air masses.
Alternative term, less common but still used in meteorology.
極前線の位置は季節によって変動します。
The position of the polar front varies with the seasons.