He avoided stepping on the crack in the sidewalk.
他避免踩到人行道的裂缝上。
Some children think stepping on the crack is bad luck.
一些小孩认为踩到路上的裂缝是表示运气不好。
Research on the crack control measures in the view of material.
本文从材料方面进行了碾压混凝土坝防裂措施的研究。
Research on the crack control measures of RCC dam in the view of structure.
本文从结构方面进行了碾压混凝土坝防裂措施的研究。
In this paper, the effect of fly ash quality on the crack resistance was discussed.
主要分析了粉煤灰品质指标对水泥抗裂性的影响。
A study of the influence of environment on the crack profile was reported by Dozier.
道滋尔报导了环境对裂纹轮廓影响的研究。
The typical quantitative models on the crack closure are introduced and commented as well.
此外，还就疲劳裂纹闭合现象的几种有代表性的定量模型做了介绍和评论。
A path independent of the J-integral and the stress, strain on the crack tip are discussed.
讨论了J积分的路径无关性和裂尖应力，应变奇异性。
Study on the crack patching equipment match reasonably, obtain the reasonable match formula.
对裂缝修补设备进行合理匹配研究，得出了合理匹配的计算公式。
The results indicate that sulfur content has marked influence on the crack initiation energy.
研究发现，硫含量对裂纹塑性形核功的影响最显著。
On the crack face, a great deal of bulbs is distributed like cluster along the rolling direction.
裂纹面上有大量气泡，沿轧制方向呈簇状分布。
Research focused on the application of EFGM considering the existence of CFRP on the crack growth.
着重研究了考虑CFRP存在的无网格伽辽金法在斜置裂纹扩展中的应用。
The magnetic flux density on the crack tip in a metal pipeline was studied by numerical simulation method.
用数值模拟方法研究了金属管道裂纹尖端磁通量密度的分布情况。
This paper discusses results of our experiments on the crack resistance of concrete and those of other reference.
本文讨论了我们对混凝土抗裂性的试验以及其他有关参考文献的试验结果。
An equation to calculate concrete diaphragm walls bending moment is deduced based on the crack control limit value.
推导了由裂缝控制限值反算地下连续墙弯矩的计算方法。
The temperature field and thermal stress field on the crack tip in a metal was studied by numerical simulation method.
用数值模拟方法研究了金属裂纹尖端的温度场和热应力场的分布情况。
A conclusion that the acoustic emission rate depends mainly on the crack propagation rate is also verified by experiments.
指出声发射率主要受裂纹扩展速率控制，此结论亦得到了实验的证实。
For a given specimen and notch configuration, maximum load is always dependent on the crack length and independent of the material.
对于特定的试样和裂口几何形状，最大荷载与裂纹长度有关，而与材料无关。
The fracture dynamics is always the hot point of the research of the fracture mechanics, and the study on the crack is especially so.
断裂动力学的研究一直是断裂力学中的一个热点，裂纹问题更是其中的一个热点所在。
In this paper, the creep compliance of Hot-plate welded joint of PE80 pipe is measured, and the effect of creep on the crack tip stress field in the weld is investigated.
本文测定了燃气用PE80管材热板焊接接头的蠕变柔量，研究了蠕变对焊缝裂尖应力场的影响。
What has cut the crack and expanded further has blown up simulation number value to calculate, expand the function played on the crack after verifying the main powder bag.
进行了切割裂隙进一步扩展的爆破模拟数值计算，验证了主药包对裂缝扩展所起的作用。
The effects of the electric displacement loading on the crack initiation in a PZT-5H piezoelectric ceramic media were investigated by the theory of maximum energy release rate.
以最大能量释放率为启裂准则，结合PZT-5H压电陶瓷材料，分析了电位移载荷对裂纹启裂的作用效果。
In this model, the plastic zone induced by the overload is affected by the three-dimensional constraints, and it leads to significant influence on the crack closure and growth rate.
在此模型中，裂尖的三维约束状态显著影响超载塑性区，从而显著影响裂纹的闭合和扩展速率。
The boundary conditions on the crack surfaces are satisfied exactly. While the conditions on the other boundaries are satisfied approximately by using the method of weighted residuals.
精确地满足裂纹表面的边界条件，其他的边界条件采用加权残数法近似地得到满足。
First of all, the study on the crack tip stress field under the model anchored by CFRP have been done, and then do a brief introduction about the failure mode of the model with the CFRP.
首先，对两端加锚后裂纹尖端的应力场做了一些相应研究，对两端加锚的模型破坏模式做了简短的介绍，为以后的工作提出了建议。
Meanwhile, the influences of pipeline internal pressure, wall thickness, crack arrest length and initial crack velocity on the crack driving force (crack propagation) are further studied.
进而分析了管道内压、壁厚、裂纹止裂长度和初始裂纹速度对裂纹驱动力(也即裂纹扩展)的影响。
The electromagnetic force acting on the crack in a metal is studied by numerical simulation method. The distributions of electric current, magnetic field and the electromagnetic stress are given.
用数值模拟方法研究了金属裂纹尖端电磁应力的分布情况，给出了电流分布、磁场分布和电磁应力的分布。
Then single aggregate concrete specimens is established, the influence of interface strength to the macro-strength is discussed, while the shape of aggregate on the crack extension is investigated.
建立单颗骨料混凝土试件，探讨界面强度对混凝土宏观强度的影响，同时探讨骨料形状对裂纹扩展的影响。
A ladder fern springs from a crack in the 1979 lava flows from Kilauea Volcano on the Big Island of Hawaii.
1979年，夏威夷大岛的基拉韦厄火山喷发出岩浆，一株梯蕨从裂缝中钻了出来。
A ladder fern springs from a crack in the 1979 lava flows from Kilauea Volcano on the Big Island of Hawaii.
1979年，夏威夷大岛的基拉韦厄火山喷发出岩浆，一株梯蕨从裂缝中钻了出来。
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