Fracture mechanics is adopted to estimate the fatigue life of structural members, and among the rest, crack growth rate formula is studied.
本文采用断裂力学方法来估算结构构件的疲劳寿命，这其中主要围绕裂纹扩展速率表达式展开研究。
Analysis of structural dynamic performance and response is the foundation to estimate fatigue life.
薄壁结构的动力特性及动态响应分析是声疲劳分析以及寿命估算的基础。
After 4, 8 and 12 weeks of medication, neural conductive velocity (NCV) of sciatic nerve and neural axon count (NAC) were measured to estimate the functional and structural recovery of the nerve.
经过造模给药后4、8、12周行坐骨神经传导速度(NCV)和神经轴突计数(NAC)测定作为观测指标，判断神经功能与结构的修复情况。
For the estimate of motions in waves and structural design of the caisson in the field of ocean engineering, the present paper is of particular significance.
本文对海洋工程中沉井这一结构物在波浪中的运动估算和结构设计提供了有效手段。
The analysis conclusion can be used to estimate the difference of material drying rate at different parts in equipment and to direct the choice of structural and process parameters.
计算结果可以用于估算冻干机内不同部位物料的干燥速率，并可为确定冻干机关键结构工艺参数提供重要的理论参考依据。
An approximate formula using the lower and upper bound of the first simple bounds for estimate of the failure probability of structural systems is presented in the paper.
提出用一阶简单边界的上、下界来估计结构系统失效概率的近似公式。
Two alternative means will be provided for making an approximate structural cost estimate: one on a square foot of building basis, and another on volumes of structural materials used.
有两种可供选择的方法将用来进行结构造价的近似估价：其一是根据单位平方英尺建筑面积，另一种则是根据所用的结构材料体积进行估价。
In our country, concrete nondestructive tests are widely applied to estimate structural concrete strength because they have the characteristics of simple, easy for operating and lower cost.
在我国，混凝土无损检测以其简单、易行、经济等优点被广泛应用于结构混凝土强度评定。
Distinct structural styles occur in different segments. The analysis of balanced cross section may estimate differential amounts and rates of shortening in different segments.
不同的段具有迥然不同的构造变形样式，平衡剖面分析可以估算出不同段落缩短量和缩短率的明显差异。
We can use this method to calculate the mean values and standard deviations of the responses, and estimate the stochastic errors of structural characters resulting from the fabrication errors.
利用此法，能计算结构静响应的均值和标准差，估价制造误差引起的结构力学性能的随机性误差。
The variable part of the parameter vector is projected onto the signal subspace to identify intrinsic structural features of the scene and estimate the RCS.
信号子空间中包含目标边界特征，将参数向量中非直流部分投影到信号子空间，得到场景内目标细节信息，然后据此估计场景各点的雷达反射截面（RCS）。
The variable part of the parameter vector is projected onto the signal subspace to identify intrinsic structural features of the scene and estimate the RCS.
信号子空间中包含目标边界特征，将参数向量中非直流部分投影到信号子空间，得到场景内目标细节信息，然后据此估计场景各点的雷达反射截面（RCS）。
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