底标志

【计】 bottom marker

底的英语翻译：

a copy kept as a record; base; bottom; end; fundus; the truth of a matter
【医】 base; basement; bases; basi-; basio-; basis; batho-; bathy-; fimdi
floor; fundus; pavimentum; solum

标志的英语翻译：

symbol; sign; attribute; mark; seal; signal; stamp; totem
【计】 ATR; ATTR; flag; label; mark; marking; tabbing
【化】 marking; stenciling
【医】 label; mark; notation
【经】 identification mark