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initial relative crack length 初始裂纹相对长度
That is, the load is dropped off in the proportion to the crack length. 这就是说，载荷随裂纹长度的增加而按比例地下降。
The natural frequency of specimen decreases as the crack length increases. 随着裂纹长度的增加，试样的固有频率逐渐减小。
The parameters studied include mass ratio, initial relative impact velocity, absolute mass and relative acceleration. 研究参数包括质量比、初始相对碰撞速度、绝对质量和相对加速度。
The smaller the curvature and the larger the crack length the smaller will be the fracture stress. 曲线半径越小，裂纹长度越大，断裂应力也就越低。
Fracture energy and crack length, as two imperative parameters of aggregates, can't be measured by usual methods. 摘要断裂能和断裂区长度作为骨料的重要参数无法通过常规方法进行检测。
In contrast, CBM gas reservoir in low rank coals has a short but centralized adsorption equilibrium time and high initial relative desorption percentage and speed. 其化学分子结构、物理结构及显微组分的差异是导致该差异的主要原因。
The fatigue life of the bonded plates is 2.06 times relative to that of the cracked one. The critical crack length of plate increases from 17.86mm to 28.64mm before and after adhesively bonded repair with composite patch. 裂纹板的临界裂纹长度从17.;86 mm增加到28
Firstly the initial crack length is calculated according to the stress wave theory: then, the ultimate cracking length caused by blasting is got by the brittle fracture theory of rock. 然后按照岩石的脆断理论计算爆生裂缝的最终扩展长度，对预裂爆破中爆炸作用过程和裂缝的扩展机理进行分析。
The effects of impact energy on the front surface dent depth,back surface resin crack length,damage area and residual compressive strength were studied. 讨论了表面凹坑深度、背面基体裂纹长度、损伤面积以及剩余压缩强度与冲击能量的关系。
Through the calculation of amendatory stress intensity factors of the crack-tip under the condition of small scale yielding,the disadvantage of the method of equivalent crack length is found. 简要介绍了断裂力学的发展,通过在小范围屈服条件下裂纹尖端修正的应力强度因子的计算,发现用等效裂纹长度方法的不足。
The poly-fit equation takes into account the effects of the eccentricity ratio, yield ratio of material and the nominal crack length and gives satisfactory accuracy comparing to the experiment results. 该回归公式包含了多个参数对板的极限拉伸强度的影响，与实验结果吻合较好。
Two series of fatigue crack growth rate (FCGR) tests using three point bend specimen with different integral knife edge designs are performed. Effect of elastic modulus on the measurement of fatigue crack length using compliance technique is analyzed. 用不同整体刀口设计的三点弯曲SE(B)试样做了两组疲劳裂纹扩展速率 (FCGR)试验 ,分析了弹性模量在柔度法测量疲劳裂纹长度中的影响。
The crack growth rate without the influence of crack surface contact was determined by extrapolating the relationship between the crack growth rate and the crack extension to the zero crack length. 通过外插裂纹扩展速率与裂纹长度之间的关系, 可近似得到裂纹长度为零时无裂纹面滑移接触影响的裂纹扩展速率。
It indicates that the key to increase service life of component lies in shortening final crack length ofmicro-short-crack expansion and increasing physics-short-crack threshold demension. 建立了疲劳寿命估算模式,阐述了疲劳寿命的影响因素,指出提高构件使用寿命的关键在于缩短微观短裂纹扩展的终止裂纹长度,增大物理短裂纹扩展的门槛裂纹尺寸。
For small cracks the tearing energy was dependent on the crack length,while the tearing energy was constant for long carack. 在小裂纹情况下,撕裂能强烈依赖于裂纹尺寸;
Is our relative strength growing? 我们的相对力量正在增长吗？
The effect of these nonlinearities can be avoided by determining compliance at the same maximum load for all crack lengths investigated. 这些非线性效应，可在测定所有裂纹长度的柔度方法时，采用最大载荷不变的方法予以消除。
They are now living in relative comfort. 他们现在过着比较安逸的生活。
He is a distant relative of mine. 他是我的一位远亲。