The total average chemical composition of granitoids in whole China is calculated with 12265 samples.
依据12265个样品求出中国花岗岩类的总平均化学成分；
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and...
在地壳模型和岩石化学资料基础上，计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and explored.
在地壳模型和岩石化学资料基础上，计算和研究了新疆地壳的平均化学成分和主要元素丰度。
The difference in average composition between the rocks of two different geologic ages provides the important evidence for the actual occurrence of chemical evolution.
两个地质时代岩石平均成分的差异，是化学演化真实存在的重要证据。
Conclusion the effective average atomic number of energy spectrum ct can precisely determine the chemical composition of calculus.
结论能谱ct测定结石平均有效原子序数可以较准确判定结石化学成分。
Conclusion the effective average atomic number of energy spectrum ct can precisely determine the chemical composition of calculus.
结论能谱ct测定结石平均有效原子序数可以较准确判定结石化学成分。
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