If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.

如果都把一个构件的最终断裂作为疲劳破坏的定义，则S - N曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。

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This base rate is multiplied for use by other OC-n standards.

这是其他OC - n标准用于相乘的基准速度。

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The rate of N atom diffusion is the key factor of controlling whole nitridation rate.

原子的扩散传质速率是控制总反应速率的关键因素。

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One of the U.N.Millennium Development Goals is to reduce the under-five death rate by two-thirds by two thousand fifteen.

VOA: special.2009.09.28

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WSJ: Kerry Focuses on Iran, North Korea Leaders

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WSJ: Kerry Focuses on Iran, North Korea Leaders

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