基本释义:

洋底扩张

网络释义

1)sea-floor spreading,洋底扩张

2)submarine,洋底

3)seabed sediment,海洋底质

4)Marine Sediment,海洋底泥

5)fondothem,洋底层

6)oceanic crust,洋底壳（地）

用法和例句

It takes the sea-floor spreading,oceanic crust subduction,and transform fault as main active forms and mantle convection as an original dynamic.

它以洋底扩张、洋壳边缘俯冲及转换断层为主要构造活动形式,配以地幔对流为原动力,建立一套颇具魅力的板块构造机制理论,被受到广泛认同。

The investigation on the content of gold in recent submarine poly metallic massive sulfides and land-based massive base sulfide deposits demonstra te that the submarine sedimentary-exhalation not only causes accumulations of p olymetallic massive sulfides, but also results in obviously enrichment of gold.

现代洋底多金属块状硫化物和陆上贱金属块状硫化物矿床中的含金性调查研究证实：海底沉积喷流作用不仅能形成十分重要的贱金属硫化物矿床，而且也能导致金的明显富集。

Production technique and methods of the seabed sediment thematic digital map;

海洋底质专题数字图的生成技术与方法

Because of the complexity of sea s environment and the difficulty to gain data,the sea three-dimensional visual research always concentrates on the sea scene and the seabed terrain aspect,and the related visual research of seabed sediment should be strengthened.

海洋因其环境的复杂性和数据的难以获取性,其海洋三维可视化方面的研究多集中在海洋场景和海底地形方面,有关海洋底质的可视化研究有待加强。

Numerical Simulations of Marine Sediment Movement Affected by Water Waves;

波浪影响下海洋底泥的水动力学数值模拟