地壳活动 meaning in English
diastrophic activity
Examples
- The geological records fall into four main groups concerned with different kinds of crustal activity .
地质记录根据与地壳活动有关的不同类型可以分为四个主要部分。 - What powerful geologic forces collided to carve out this unique region
哪些地壳活动产生的威力才可勾勒出这片独特的土地？ - Based on this , the relation between fracture fractal dimension and the earth crust activity was discussed
在此基础上，讨论了断裂尺度分形维数与地壳活动性的关系。 - In some cases , all movement has ceased and the tension is such that only the most violent activity can release it
30多年来，这些交接处只有小规模的地壳活动在释放应力，有的地方甚至停止活动，因而应力很大，只有发生激烈的活动才能释放。 - The story begins around 250 million year ago when the planet s hypothetical landmass pangea split , unleashing massive climatic powers across the globe . moving back into the 20th century , the film then examines the landscapes , wildlife , ecosystems and indigenous cultures of each of the seven locations
这些板块本来连接在一起，后来分裂及在地幔上漂移，更互相碰撞及挤压，逐渐形成各大陆海洋山脉和岛屿，也带来了火山爆发和地震等地壳活动。