Punctal plugs insertion is an effective and reversible method to treat dry eye syndrome and some other ocular surface diseases.

泪小点栓植入术被认为是治疗干眼症和其他眼表疾病的有效而可逆的方法。

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Similarly, the process of this method is also reversible.

同样的，该方法的过程也是可逆的。

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Based on the rolling feature and practice of reversible cold mill, a new calculating method to determine the load distribution is put forward by means of nonlinear equations.

根据可逆冷轧机的生产特点，采用一种通过直接求解非线性方程组来确定负荷分配的方法。

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