根据Burson - Marsteller传播公司的一项最新研究，62%的财富50强公司已经有移动网站、移动应用、移动支付和QR Code。
According to a new study, 62% of Fortune 50 companies have mobile websites, mobile apps, mobile payments and QR codes, but they don't proudly display them.
因此，在损伤的预应力钢筋混凝土结构中波传播理论的研究具有广泛的应用前景。
There are extensive prospects of application for the wave propagation theory in the prestressed and reinforced concrete structures.
根据表面声波传播介质的不同，对检测方法进行了分类，并从检测原理，研究进展及应用等方面对各检测方法进行了详细介绍。
According to the difference of the medium, along which the surface sound wave propagates, the detection method is classified, and the general principle, progress, and its application are introduced.
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