runway designation marking
/ˈɹʌnweɪ dˌɛzɪɡnˈeɪʃən ˈmɑːkɪŋ/
n
English · runway designation marking中文 · 跑道编号标志Español · señal de identificación de pistaFrançais · marques d’identification
意味：Number that, when multiplied by 10, shows the runway’s position in relation to magnetic north.