長ちょう波はちょうはFreq.FrequencyTop 100,000Meanings1nounlong waveTechnical term in physics and telecommunications for radio waves with wavelengths longer than 1 km (frequencies below 300 kHz).長ちょう波はは水すい中ちゅうでも伝つたわりやすい。Long waves can propagate relatively easily even underwater.
