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- ocean floor spreading theory 海底扩张说
- ocean floor spreading 洋底扩展观念
- It is barely ten since systematic deep ocean bathymetry revealed the structure of rifts, fractures and trenches associated with sea floor spreading. 系统的深海深度测量揭示了与海底扩张有关的狭谷带、断裂带和海沟的结构。
- The submarine bottomed to observe the ocean floor. 潜艇潜入海底观察洋底。
- The submarine bottomed on the ocean floor. 潜水艇停在洋底。
- The damaged ship leaned over and slowly settled down on the ocean floor. 这艘损坏的船倾斜起来,慢慢沉到大洋底。
- Sediment building up on the ocean floor. 海底积累的沉积物
- That the ocean floor is not flat is a known fact. 洋底不是平坦的是一个已知的事实。
- A long, steep-sided valley on the ocean floor. 海沟一种海底狭长而两边陡峭的山谷
- The submarine bottomed on the ocean floor . 潜水艇停在洋底。
- A large, bowl-shaped depression in the surface of the land or ocean floor. 凹地,海盆在陆地或海底平面的一种大的,碗状的凹地
- Recent ocean floor data confirm the first part of this slow process. 近来洋底资料证实了这一缓慢过程的第一部分。
- The ocean floor near the continents is abundant in mineral and oil deposits. 靠近大陆的海底矿藏和石油藏量丰富。
- Echo sounding devices were early used in making maps of the ocean floor. 讲的是回声定位仪器最早用于绘制海底地图。很容易找到对应的答案。
- Underwater photography is also important in mapping parts of the ocean floor. 水下摄影在绘制部分海床图时也是很重要的一个方法。
- The damaged ship leaned over and slowly settled own on the ocean floor. 这艘遭毁坏了的船倾斜了,并缓慢地沉到海底。
- Sizy quality decided the floor spreads the quality of outfit. 胶水的质量决定了地板铺装的质量。
- An opening on the ocean floor that emits hot water and dissolved minerals. 大洋底部散发热水并溶解矿物质的一个开口
- About 235 miles (378 kilometers) east of Halifax, the ocean floor drops away. 在哈利法克斯省东边大约235英里(378公里),海底地形出现很大的坡度。
- Amphioxus body by the rapid movement and drilling holes in the ocean floor. 文昌鱼藉身体的迅速运动而在洋底钻洞。