lower crust
基本解释
- 下地壳；下部地壳
英汉例句
- In general, the composition of lower crust is close to basalt and the composition of upper crust is similar to granite.
一般来说，下地壳的成分接近于玄武岩，而上地壳的物质成分与花岗岩相似。 - The composition, structure and evolution of the middle-lower crust has been an subject of extensive study in Earth sciences.
中下地壳组成、结构与演化研究一直是地球科学研究中为人们关注的重要课题。 - The lithochemistry, REE and isotope characteristic of strontium, oxygen and lead of Laowan granite show that the granite originates from lower crust by partial melting.
老湾花岗岩的岩石化学、稀土元素和同位素特征指示出老湾花岗岩源于下地壳经部分熔融作用形成。
双语例句
词组短语
- Lower basaltic crust 下地壳玄武质岩石
- delaminated lower continental crust 拆沉陆壳
- lower continental crust 大陆下地壳
- mid lower continental crust 大陆中
- the lower continental crust 大陆下地壳
短语
专业释义
- 地壳
In lower crust, faults often consist of a series of secondary fractures.
发育于地壳浅层中的脆性断层常常由一系列次级小断层所构成。 - 下地壳
- 下部地壳