To monitor the random crack of the concrete dam structure with the ordinary instrument isn t effect.
如何监测大坝混凝土结构的随机裂缝，常规仪器显得无能为力。
The random crack core theory and model for predicting the longitudinal tensile strengths of unidirectional composites is built.
建立了预测单向复合材料纵向拉伸强度的随机核理论与模型。
Taking the distribution of mean wind velocity into account, the random crack growth model under variable amplitude load was established.
考虑平均风速的分布的影响，建立了随机荷载作用下的疲劳裂纹扩展模型。
Numerical example indicates that the random distribution characteriztics can be different for different elastic constants under the same random distribution of crack number density.
裂纹数密度对随机裂纹介质的各个弹性常数具有不同程度的影响；
In this paper, an analytical method of random sequence is applied to form a random mathematical model for the crack, which can be used successfully in the practical analysis of the member.
本文应用随机序列的分析方法，建立了裂缝开展的随机数学模型，并应用于实际分析。
Many engineering structures are subjected to random loading in service. The load cycle interactions can have a very significant effect in fatigue crack growth under variable amplitude loading.
许多工程结构在服役过程中受到随机载荷的作用，载荷循环之间的相互作用对裂纹扩展将产生明显的影响。
Study of fatigue crack growth rate and fatigue life calculation under random loading is very important for the reliable life prediction of engineering structures.
变化载荷作用下裂纹扩展律和疲劳寿命的计算对工程结构的寿命的可靠预测是十分重要的。
Password Generator creates a strong and complex random passwords, consisting of digits, uppercase and lowercase letters, that are highly secure and difficult to crack.
密码生成器创建一个强大而复杂的随机密码，包括数字，大写字母和小写字母，具有高度的安全和难以破解。
The factors influencing the fatigue crack growth are of random nature.
影响疲劳裂纹成长的因素具有随机性质。
The factors influencing the fatigue crack growth are of random nature.
影响疲劳裂纹成长的因素具有随机性质。
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