固定距离标记
/ˈfɪkst ˈdɪstəns ˈmɑːkɪŋ/
n
English: fixed distance marking · 固定距离标记
English · fixed distance markingEspañol · señal de distancia fijaFrançais · marque de distance constante
释义：Lines painted at regular intervals so that pilots can gauge distances on the runway.