The ocean floor rock, basalt, along with the sediment that builtup on top of it, was drawn down at the edge of an ocean as part of the conveyor-belt mechanism that moves the continents.
海洋板块的岩石，玄武岩，以及覆盖其表面的沉积物被拉沉到海洋底部，充当移动大陆的传送带机制的一部分。
2
An experimental system is builtup in which an iodine cell is used as the edge filter. The experimental results were analyzed in detail.
描述了利用碘分子滤波器作为边缘滤波器的原理性实验系统，并介绍和分析了实验结果。
3
Continuous with a built-upedge. This chip shows the existence of a localized, highly deformed zone of material attached or "welded" on the tool face.