生物地球化学元素 biogeochemical element
地球化学元素分布规律 distribution of geochemical elements
区域地球化学元素特征 the geochemistry chemical element characteristic
地球化学的元素迁移 geochemical migration of elements
地球化学的元素循环 geochemical cycle of elements
地球化学标准元素 geochemical leading elements
部分样品进行地球化学元素分析实验。
And thirdly , some samples have been made geochemical elements analysising.
钙在自然界和生命史中是重要的地球化学元素之一。
Calcium is one of the most important chemical elements in nature and life history.
具有深部断裂剪切、挤压带地球化学元素组合特征。
The geochemical element association shows the features of deep fault shear and compression zone.
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