大家都搜：
大洋中背
1、mid high───中高
2、mid───n.(Mid)人名；(柬)米；prep.在…之中；adj.中间的；中央的
3、ocean───n. (Ocean)（罗）奥切安（人名）；n.海洋；大量
4、mid freq───中频
5、epidermal ridges───表皮脊
6、ridges───n. (Ridges)人名，（英）里奇斯；n.（ridge的复数）山脊，隆起的纹路
7、mid ocean ridge───大洋中背
8、mid-ocean───n.海中央；adj.海洋中部的
9、mid autumnday───中秋节
1、the rocks cool from lava, for instance at the deep mid-ocean ridges where the earth's surface plates are formed, crystals line up with the direction of the magnetic field.───举例来说由熔岩冷却的而来的岩石，位于深深的海中央山脊的地方就形成了地球表面的板块，水晶晶体排列方向与磁场方向一致。
2、This is part of the system of mid-ocean ridges that form as the tectonic plates of the Earth's crust move apart-a process known as sea floor spreading.───脊是中大洋脊的一部分，中大洋脊是地壳分离的地球板块形成的。这一形成过程被称为海底扩张。
3、On reaching low Latitudes, the splitted continents began to drift in the east - west direction and thus formed the mid-ocean ridges.───DaLu块到达低纬后又经过了东西方向的溧移，并且形成了洋中脊。
4、Much of the activity between the continental shelves takes place deep underwater at the mid-ocean ridges.───大部分的DaLu架的活动发生在深水下的大洋洋底的海脊。
5、Both hotspots and mid-ocean ridges are volcanic, so Iceland is doubly so.───“活跃点”和海洋中间的山脊实际都是火山，所以冰岛更是如此。