横贯南极山脉
- 网络Transantarctic Mountains;Trans-Antarctic Mountains
横贯南极山脉-
结果表明，横贯南极山脉地壳厚度约为45km，55～75km之间存在明显低速带，它预示着这一深度有熔融的岩浆存在。
Our result shows that crust thickness of transantarctic mountains is 45 km . In depth of 55 ~ 75 km there are clear layers of low velocity . It displays deep fused magma .
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我们遇到的第一处天然屏障是强大的横贯南极山脉。
The first great hurdle is the formidable trans-antarctica mountain range .