語言選擇:
免費網上英漢字典|3Dict

Isochasm

資料來源 : pyDict

極光等頻線

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Isochasm \I"so*chasm\, n. [Iso- + chasm.] (Phys. Geog.)
   A line connecting places on the earth's surface at which
   there is the same mean frequency of auroras.
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z