建立了双级溢流阀的开启点数学模型，并通过对该点的数字仿真的数据处理，得出了经验公式。

Estabishes the opening point model for a two stages relief valve and through the data processing of mathematical simulation of that point to obtain the empirical formula.

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基于这种情况，本课题提出了基于负载自适应的流量伺服阀和电液比例溢流阀双阀反馈补偿控制方案。

So a new design scheme about double valve compensation feedback control system based on adaptive load is proposed.

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基于这种情况，本课题提出了基于负载自适应的流量伺服阀和电液比例溢流阀双阀反馈补偿控制方案。

So a new design scheme about double valve compensation feedback control system based on adaptive load is proposed.

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