因此，在北京，6万元是中低收入家庭的标准线。

Thus, in Beijing, 60,000 yuan in low-income families is the standard line.

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同时以标准线性固体模型对实验数据进行了拟合。

A standard linear solid model (kelvin model) was used to fit the experimental data.

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但是，标准线必须划在某个地方，那么是哪个地方呢？

But the line must be drawn somewhere, so where?

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粘弹性分析采用特殊的三元素标准线性固体模型拟合实验数据。

Viscoelasticity was analyzed by the special three element standard linear solid model.

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粘弹性分析采用特殊的三元素标准线性固体模型拟合实验数据。

Viscoelasticity was analyzed by the special three element standard linear solid model.

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