Modal test was done on a cable-stayed structure in its healthy and two damaged conditions. Curvature of the Frequency Response Function (FRF) was used to detect the location of damage.
对一拉索结构的正常状态及两种损伤状态进行了模态测试,用频响函数的曲率来进行损伤检测。
The two damaged souls begin the road to recovery with each other’s help, at least until Rhoda wins a chance to visit the other Earth, a prospect that fills Rhoda with hope but John with dread.
两个伤残的灵魂通过对方的帮助开始了治愈之路。 至少直到Rhoda得到了出访另一个地球的机会,希望充满了Rhoda的未来,但John的是恐惧。
Two buildings were destroyed and many others damaged in the blast.
在这次爆炸中,两座建筑物被摧毁,其他许多建筑物也被损坏。
For example, areas with mangrove forests were not damaged as badly by the Indian Ocean tsunami in two thousand four.
VOA: special.2010.04.20
Eleven workers died. He said BP expects to complete two relief wells in August to stop the leak from a damaged well.
VOA: special.2010.06.19
Workers are drilling two relief wells in an effort to ease pressure on the damaged well.
VOA: special.2010.06.04
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