将信息导出到内部内存、外部内存和本地数据库。
Export information to internal memory, external memory, and the local database.
导出的模型结构清晰，较好的反映了系统内部关联和外部联系机制。
Derived unit model structure is clear, and reflects mechanism of system internal relevancy and external correlation.
然后，根据模型的数学方程推导出关于内部收益率与单井日产量和井深的方程式。
Then, according to mathematics equation of the model, an equation of internal returns ratio and daily production of single well and well depth was derived.
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