释义 |
板块bǎnkuài大地构造理论指由地质上的活动地带划分的岩石圈的构造单元。全球共分为六大板块,即欧亚板块、太平洋板块、美洲板块、非洲板块、印度洋板块和南极洲板块。大板块又可划分成小板块。{plate; shifting segments of the earth's crust. According to geotectonic theory, the earth is divided into six large plates, i.e. Eurasian Plate, Pacific Plate, American Plate, African Plate, Indian Plate and Antarctic Plate, which can be further divided into smaller plates} |