随着刺激电压的增大和减小，家鸽单次鸣声持续时间呈显著的线性递减和递增。

With increase and decrease of the stimulating voltage, duration of single coo represent the distinct linear change.

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但从该区块单井的生产历史来看，大部分井存在稳产时间短、递减快的问题。

But from the production history of the individual well in the block, most of the Wells have such problems as short stable production period and quick production decline.

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通过分析该区的试采井资料，得到了指数式产能方程、二项式产能方程及油井产能递减方程，同时计算了单井控制可采储量。

By analyzing the production test data, we get the index production equation, binomial production, production degression equation and the single well control reserve.

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