They therefore permit the reconstruction of the process of seafloor spreading, and consequently of the geography of continents and of ocean basins in the past.
因此，它们可以重现海底扩张的过程，以及大陆和大洋盆地过去的地理位置发展过程。
The discovery might lead to a new generation of anti-cancer drugs that prevent tumour cells from spreading to other parts of the body through a process called metastasis.
这一方法可能会引发“新一代”抗癌药物的诞生，该药物将可以用于阻止肿瘤细胞通过“转移”的过程向身体其他部位扩散。
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.
印度洋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。
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