The finite element analysis of the wheel rail contact shows that the maximum stress under the subsurface exceeds first yield strength, which leads to plastic deformation.

在对轮-轨系统进行有限元分析的基础上，研究了轨道的受力情况和摩擦系数对应力分布的影响，讨论了轨道的弹塑变形和安定极限。

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First, the West's malaise and the rise of emerging economies will yield a mountain of books.

第一，西方的的萎靡不振与上升中的经济体将会产生堆积如山的书籍。

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So investment banks took their enormous capital and at first packaged yield-enhanced, subprime mortgage loans into complex derivatives such as collateralized debt obligations (CDOs).

因此投资银行斥巨资提高了首次包装上市的水平，并把次级抵押贷款放到了诸如债务抵押债券（CDOs）等复杂金融衍生品上。

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In order to calculate an earnings yield premium you must first calculate an earnings yield.

FORBES: The Stock Markets Are Forecasting Economic Stagnation, Not Recovery

With rates already ticking higher from ultralow levels, some companies are issuing more debt than first planned to yield-hungry institutional investors seeking better returns than Japanese government bonds can offer.

WSJ: Japan Corporate Bond Issuance Jumps to 3-Year High

And it may yield the first nuclear attack since 1945 some time down the road.

WSJ: Eliot A. Cohen: There Are Only Two Choices Left on Iran