In our country, concrete nondestructive tests are widely applied to estimate structural concrete strength because they have the characteristics of simple, easy for operating and lower cost.

在我国，混凝土无损检测以其简单、易行、经济等优点被广泛应用于结构混凝土强度评定。

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Fracture mechanics is adopted to estimate the fatigue life of structural members, and among the rest, crack growth rate formula is studied.

本文采用断裂力学方法来估算结构构件的疲劳寿命，这其中主要围绕裂纹扩展速率表达式展开研究。

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After 4, 8 and 12 weeks of medication, neural conductive velocity (NCV) of sciatic nerve and neural axon count (NAC) were measured to estimate the functional and structural recovery of the nerve.

经过造模给药后4、8、12周行坐骨神经传导速度(NCV)和神经轴突计数(NAC)测定作为观测指标，判断神经功能与结构的修复情况。

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And this, in turn will force them to revise up their estimate of the structural deficit.

BBC: George Osborne must weigh supply against demand

As I wrote in my earlier blog, the IFS and pretty much every other economic forecaster expected the OBR to raise its estimate of the structural current deficit, given what we knew about the way they forecast these things.

BBC: The Bank, the OBR and Mr Osborne