独生子女亡残且父母一方年龄在50周岁及以上的，夫妻双方每人每年享受600元补助；

And if one parent is aged over 50, both spouses will enjoy an RMB600 grant per person per year.

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本文建立了方钢管混凝土框架结构的三维非线性有限元分析模型，用以研究方钢管混凝土框架在低周反复荷载作用下的抗震性能。

A 3-d nonlinear finite element model of concrete-filled rectangular tubular frame is proposed in the paper to research the seismic behavior of this type of structure under low-reversed cyclic loading.

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