lower crust

常見例句

雙語例句

• In general, the composition of lower crust is close to basalt and the composition of upper crust is similar to granite.
  一般來說，下地殼的成分接近于玄武巖，而上地殼的物質(zhì)成分與花崗巖相似。
• The composition, structure and evolution of the middle-lower crust has been an subject of extensive study in Earth sciences.
  中下地殼組成、結(jié)構(gòu)與演化研究一直是地球科學研究中為人們關注的重要課題。
• 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.
  老灣花崗巖的巖石化學、稀土元素和同位素特征指示出老灣花崗巖源于下地殼經(jīng)部分熔融作用形成。
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