A structure is simplified and established taking the advantage of structural cycle-symmetry.

利用结构的周期对称性将结构进行简化；

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In Triassic, the evolution of this basin experienced a complete structural cycle from extended rift basin to compressed flexure one, then rising above the sea level.

三叠纪，盆地演化经历了一个由拉伸作用形成的断陷盆、构造挤压形成的扰曲盆地和挤压隆升暴露于海面之上的完整构造旋回过程。

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Of course, these social phenomena are both symptoms of and contributors to economic circumstances, a vicious cycle that requires a structural solution at the policy level.

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Concerns now are more closely linked to mid-cycle economic management than structural problems, like in the US with its jobless recovery ( Brazil hired more people this year than the US).

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"The taskforce recognises that our High Streets are going through a structural recalibration, rather than an economic cycle from which we will emerge over time, " he said.

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