单词：source area
source area的用法和样例：
例句
- Their source was like an asthenospheric mantle of ocean-island basalt and geosphere was also involved in the magma rising and eructating process.其源区可能是源于一种似洋岛玄武岩源的软流圈地幔源，并且在岩浆上侵喷发过程发生了岩石圈的卷入。
- Delt-frong acclivity and shallow lake are a major type of sedimentary sub-facies of the Suining formation of Upper Jurassic, and the provenance is uplifted area of Longmenshan.摘要洛带气田遂宁组主要为三角洲前缘斜坡亚相和浅湖亚相沉积，其物源区为龙门山隆起区。
- The Ningde Base locates in Sanduao, the place with beautiful landscape, and the sea area of Guanjingyang, the origin place of large yellow croaker.登月水产宁德基地位于风景秀丽的三都澳和大黄鱼原产地官井洋。
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