厚的无应变层的引入主要是为了改善有源层晶体质量，获得大的偏振不灵敏模式增益。
Unstrained layer induced is primarily used to enhance the polarization insensitive mode gain and improve the active region crystal quality.
采用夹头分离速率控制方式对有屈服现象和无屈服现象的试样进行拉伸试验，探讨了试验过程中试样应变速率和应力速率的变化情况。
The change of strain rate and stress rate of samples with and without yielding phenomenon was studied during the tensile test under the control of grip separate rate.
利用可考虑局部破坏的非线性弹塑性有限元，对无加筋和加筋砂土的平面应变压缩试验结果进行了从小变形到破坏的全过程数值解析。
Numerical analyses of plane strain compression tests for the geogrid-reinforced sand specimens were conducted by the nonlinear elastoplastic FEM considering strain localization.
一个要素，产品安全是捏造的应力应变或无玻璃仪器和系统。
An element in product safety is the fabrication of stress or strain-free glass apparatus and systems.
本文运用湍流快速畸变理论对各向异性条件对无切变边界层及轴对称应变湍流特性的影响进行了探讨。
In this paper rapid distortion theory is used to predict the effect of anisotropy on the structure of shear free boundary layer and axisymmetric straining turbulence.
结果：基底段到心尖段应变与应变率呈下降趋势，但统计学差异无显著性。
Results: Although strain and strain rate declined from basal segment to apex, there was no statistical difference.
结论：应变与应变率在同一室壁不同节段与不同室壁同名节段之间差异无显著性。
Conclusion: There was no statistical difference of strain and strain rate between the different segments and the different walls.
包括击实试验、无侧限强度试验、动应变和动强度试验等。
The tests include compaction test, unconfined compression test, dynamic strength and dynamic strain test and so on.
分析了恒载和常温无应力作用对智能筋中光栅残余应变的影响，研究了智能筋的传感稳定性问题；
Through experimental analysis of sustained load and room temperature unstressing action influence on residual strain of smart rebar, sensing stability of smart rebar is studied.
三种不同黏结剂之间冠的应变及黏结层的破坏负荷无显著性差异。
There were no statistical difference between different types of cements on the strains of cemented crowns and the failure loads of cements.
建议把“收敛点”的应变定义为无横向约束混凝土的极限压应变。
It is suggested to define the strain at "convergence point" as the ultimate strain in compression for laterally unconfined concrete.
应变率成像是从组织多普勒显像中衍生出来的新技术，它是一种研究局部心功能的无创的新方法。
Strain rate imaging is a new technique deriving from tissue Doppler imaging, which is a new noninvasive method studying local heart function.
阐述了砼结构体表比和约束比对温度和收缩应变和裂缝的影响程度，推导出R．C结构在四周无变位边界约束条件下的温度和收缩应变、应力及裂缝宽度计算公式和运用实例。
The formula of strain and crack width of temperature and contraction with no varying place constraint con detion are deduced, capale be design basis for crack control of R. C structure.
通过无网格技术，改进了离散元法应变、应力的计算方案，使其能够在连续介质大变形的计算中得到更为准确的应变、应力分布。
Moreover, a new technique for calculating the strain and stress of DEM model has been proposed by using the concept of meshless method.
研究表明，水泥土电阻率随龄期和无侧限抗压强度的增大而增大，随着应变的增加而逐渐降低；
The electrical resistivity of cemented soil increased with the increment of age and unconfined compression strength, whereas decreased with the increment of strain.
如遍布地球的恐龙就是难以适应变化的硕大无朋，最后灭迹于地球上。
If the dinosaur spreading over the earth is the huge monster difficult to adapt to being changed, destroy the evidence on the earth finally.
研究了泡沫金属的机械阻尼性能，表明泡沫金属是一种具有高能量吸收特性的轻质高阻尼材料，其阻尼特征表现为与应变振幅密切相关，而与应变频率无显著关系的非线性内耗。
The mechanical damping properties of metallic foams has been studied in the paper. It is found that metallic foams is a light high-damping material with great energy absorbing characteristics.
在海冰覆盖的条件下，PAR的观测结果与无冰海水的PAR有明显差别。由于海冰选择性的吸收，穿透海冰进入海洋的PAR组分已经不同，海水对PAR的衰减系数也会相应变化。
But under sea ice, the attenuation coefficient of PAR is little bit different, as the spectrum of the light has been changed by selective absorption through the sea ice.
第二天当渔人撒下渔网时，“有备无患”早已游走，“随机应变”和“等等再说”则入了渔网。
When the fisherman cast his nets, Plan Ahead was long gone. But Think Fast and Wait and See were caught!
第二天当渔人撒下渔网时，“有备无患”早已游走，“随机应变”和“等等再说”则入了渔网。
When the fisherman cast his nets, Plan Ahead was long gone. But Think Fast and Wait and See were caught!
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