Could simply be the natural temporal variation of the stress field in the earth's lithosphere.
可能只是地球岩石圈(岩石圈是地球外部的固体部分)中应力场的自然的暂时变异。
The tectonic phenomena happened in the Cenozoic are caused by both of the continuity of the Mesozoic tectonic processes and the complexity of Cenozoic stress field.
新生代构造现象既是中生代时期构造作用的延续，也是始新世以来复杂应力环境作用的结果。
It is a non linear inversion to calculate crustal stress field with collapse data of inclined borehole.
用斜井钻孔崩落资料求取地壳应力状态是一个非线性反演问题。
Because the natural stress field is changed due to tunneling roadway, a stress concentration area appears in rock of surrounding roadway that cause roadway deformation or destruction.
由于巷道掘进破坏了原岩地应力场，使围岩应力重新分布，应力集中区的高应力造成巷道变形破坏。
Based on the nonlinear geometry field theory of continuum mechanics, this paper analyzes the stress field due to a screw dislocation in an infinite medium.
本文以非线性连续体几何场论为理论基础，分析了无限大体中一个螺位错引起的应力场。
Evolvement process of longitudinal stress and residual stress field after welding are obtained.
得到了焊接过程中纵向应力的演变规律与焊后应力场的分布情况。
Numerical simulation of recent structural stress field, prediction principle of fracture effectiveness and performing method are discussed.
论述了现今构造应力场数值模拟及裂缝有效性预测的原理及实现方法。
Evolvement of longitudinal stress and residual stress field after welding are obtained.
得到了焊接过程中纵向应力的演变规律与焊后应力场的分布情况。
It is found that in lined ceramic the radial cracks is caused by compressive stress field and net cracks caused by heat stress field.
研究表明，内衬陶瓷层中主要分布着由压应力场所造成的径向裂纹和因热应力场所引起的网状裂纹；
Secondly, the distribution feature with nonuniformity of the palaeotectonic stress field is clarified and the stress values are estimated.
其次，利量大量事实阐明，构造应力场的空间分布具有不均匀性的特点，并对两期应力场的应力大小作了估算；
The interaction between seepage field of groundwater and stress field is called coupling of seepage and stress.
地下水渗流场和应力场的相互作用和影响称之为渗流与应力耦合。
He describes features of tectonic regions, including crustal structure, crustal deformation, stress field and crustal activity.
并从重力场反映的地壳结构、地壳形变、地壳应力状态、地壳活动性诸方面，论述了各构造区的特征。
Discussed the stress condition of periphery crack's local tension stress field created by compressing stress in far field.
讨论了远场压应力在裂纹周边附近产生的局部拉应力场的应力情况。
The whole process of oil exploration and production has close relations with the state and changes of stress field.
石油勘探与开发的全过程都与地壳岩石的应力状态及其变化密切相关。
After that, the displacements and stress field are analyzed with the back analysis results.
然后利用反分析得出结果，对围岩的应力与变形进行了分析。
In the computation of stress field, the factors, such as temperature load, deadweight of concrete, water potential, creep stress and self expansion of concrete, are involved in the program.
计算中考虑了温度荷载、自重、静水压力、混凝土徐变和自生体积变形等情况。
The stress field can be obtained from complex stress function in the presence of conformal mapping.
这里，平面的应力场是借助于保角映射的方法通过复变应力函数得到的。
The result indicated that the orientation of maximum vitrinite reflectance might be related with the local structural position of the sample in addition to the stress field of the regional tectonics.
该井田煤镜质组反射率椭球体有限应变特征分析结果表明在煤系地层中，煤的最大镜质组反射率的方位除与区域构造应力场的作用有关外，还与其所处的局部构造位置有关。
The grey system is the system in which some information is defined and some undefined. The in-situ stress field is a typical grey system.
信息部分明确、部分不明确的系统为灰色系统，地应力场则是典型的灰色系统。
The temperature and stress field of wagon wheel under the condition of long ramp way cycle braking in Daqin line have been simulated by using FEM and axial symmetry model.
采用轴对称模型和有限元方法，模拟了大秦线长大坡道循环制动条件下货车车轮温度和应力场，结果表明车轮高应力区出现在辐板上，现行制动条件下车轮强度满足使用要求。
This paper mainly study the feature of sawing force under stress field. The experiments prove that the cutting force under stress field is smaller than that of common sawing.
本文主要研究了应力场下锯切切削力的特点。试验证明在拉应力场下锯切工件比普通锯切工件的锯切力小，使切削更加有利、高效。
These correlations depend not only on the state of the basic stress field in the island arc-trench but also on the additional stress field caused by the variation of rotation velocity of the earth.
这种特征可能不仅和海洋与大陆板块汇聚边界的岛弧海沟上的基本应力状态有关，而且与自转速率不均匀产生的附加应力状态有关。
Investigating valley stress field is of importance to the researches on mechanism and prediction of rock burst.
深入研究沟谷应力场的一般规律对于岩爆机理和岩爆预测研究是重要的。
This paper presents the stress field research of the blade of pipe cutting machine by SAP5 of the finite element method.
本文使用有限元线性系统静动力结构分析程序（SAP5）对管材剪切机刀片应力场进行了研究。
Local change of stress field led to the change of action mode of faults along the strike and associated folds.
局部应力场变化导致沿断裂走向上断裂活动方式及相关褶皱特点发生了变化。
At last, as the example of squeeze casting with large ratio of height to diameter, the temperature field and stress field of high-leg casting were simulated and analyzed.
最后，以高脚杯形挤压铸件作为大高径比挤压铸件的实例，对其挤压铸造过程中的温度场和应力场进行了模拟和分析。
The variation law of geostresses with depth in gravitational stress field and tectonic stress field is analyzed.
分析了自重应力场和构造应力场中应力随深度的变化规律。
Structure integrality of nozzle during the working process of motor was analyzed by calculating temperature field and stress field.
通过计算温度场和应力场，分析了喷管在发动机工作过程中的结构完整性。
Structure integrality of nozzle during the working process of motor was analyzed by calculating temperature field and stress field.
通过计算温度场和应力场，分析了喷管在发动机工作过程中的结构完整性。
应用推荐