Comparison and Analysis are made on theoretical bases of oil Inorganic and organic origins.
分析对比了石油成因的无机说与有机说的理论基础。
This paper combines the theoretical and empirical analysis. It firstly bases on the theory and then comes to the empirical research.
本文采用理论浅析浅析和实证研究相结合的策略，以理论梳理为基础，最终落到实证浅析浅析上。
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