以下为句子列表：
英文: According to the stress spectrum of weaking section in fatigue test and S-N Curve of classic welding joint in this section, we establish a model of life calculating by the principle of fatigue damage equivalence, then we get the relationship between the c
中文: 根据疲劳薄弱部位在室内疲劳试验中的应力谱及该部位典型接头的S-N曲线，按照疲劳损伤等效原则建立交叉支撑装置的寿命预测模型，得到了交叉支撑装置实际运用寿命与室内疲劳试验加载循环次数的关系。
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英文: By virtue of the stochastic bifurcation theory,the transition of the atom movement at a crack tip in fatigue damage system is investigated.Using the singular point theory of one-dimensional diffusion process and the stochastic averaging approach of energy
中文: 采用随机分叉理论，探讨疲劳损伤系统裂尖粒子运动性质突变.利用一维扩散过程的奇点理论，并结合能量包络的随机平均法，建立了随机扰动的疲劳损伤同宿分叉系统裂尖粒子运动模型,通过研究奇异边界的扩散指数、漂移指数以及特征指数特性，考查疲劳损伤裂尖粒子运动的同宿分叉系统受参激白噪声影响的分叉行为.
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英文: First of all, the whole damage field curves with toughness that selected as the fatigue damage variable was measured, then on the basis of frame of nonlinear continuum fatigue damage theory, the expressive form of fatigue damage parameter was decided by m
中文: 摘要首先以韧性为损伤变量进行全域损伤曲线测试，以非线性损伤理论框架为基础，用测试曲线数据确定损伤变量参数表达形式，得到非线性连续疲劳损伤模型。
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英文: Firstly, according to analyze the fatigue test result of the normalized carbon steel, a logarithmic expression is developed to describe residual strength degradation process, the definition and expression of fatigue damage under symmetrical stress with co
中文: 摘要通过对正火45钢的试验数据分析，提出了一个反映剩余强度退化的对数表达式，给出对称恒幅应力循环下疲劳损伤的定义与表达式。
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英文: Fatigue damage of the tether of tension leg platform
中文: 张力腿平台拉索的疲劳损伤
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