The field operation has proved that the idea is feasible and practical.
工业运行证明了其正确性和实用价值。
This paper presents a practical model for oil reservoir in field recovery.
提出了一个较为实际的石油油藏的三维力学模型。
Therefore, it is practical to make research in this field.
因此，对它的研究具有非常重要的现实意义。
Therefore, it is practical to make research in this field.
因此，对它的研究具有非常重要的现实意义。
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