好，伸开双臂置于头顶，保持拉伸状态。
Yes, juststretch your arms above your head and just keep stretching.
当弹簧在未拉伸状态时，将弹簧的端部固定在框架横 杆上。
The ends of the spring are affixed to the frame rails while the springs are in an un- stretched state.
利用弥散裂缝理论，提出了压实黏土拉伸状态下的脆性断裂模型。
Based on the smeared cracking theory, a brittle fracture model for tensile state of compacted cohesive soil is proposed.
泥质岩储集层形成于呈拉伸状态的深湖半深湖相纹层状泥灰岩之中。
The mudstone reservoir was formed in lacustrine facies of lamellar marl in the deep water or semi-deep water sediment with tensional state.
根据试验结果，研究了压实黏土在三轴压缩、拉伸以及从压缩到反向拉伸状态下的应力应变特性。
Based on the test results, the stress-strain behaviors of compacted clay under triaxial compression, triaxial tension and compression-to-tension states are investigated.
利用多晶X射线面探测器衍射系统对304奥氏体不锈钢板在拉伸状态下的应力及其分布进行了检测分析。
Stress maps of 304 austenitic stainless steel sheets at tensile stresses were measured and analysed by using polycrystalline X-ray two-dimensional area detectors diffraction system.
采用TEM和SEM研究了低碳-硅-锰系TRIP钢在单向拉伸状态下的组织转变规律和断裂机制。
The microstructures transformation laws and fractures mechanisms of low carbon silicon-manganese TRIP steels in simple tension state were researched by using TEM and SEM.
测定了析出相的类型和组成，测试和计算了冲击、拉伸状态下裂纹的形核能与扩展能，并通过SEM研究了断面形貌。
The crack nucleation energy and the propagation energy were measured under impact and tensile testing. The fracture surface was examined by SEM.
鄂尔多斯地块与阿拉善地块间有一个具有拐折结构的剪切变形带，鄂尔多斯地块的西北角和东南缘处于NNW -SSE方向的受拉伸状态。
Junction zone between the Ordos and Alxa block is a shear zone with sections of variable trend. The northwestern and southeastern marginal region of the Ordos is under NNW SSE extension.
只要骶髂关节不被过度拉伸，它就会处于健康的状态。
The sacroiliac joint remains healthier if it is not stretched too much.
要修正您的web页面，请使用Design视图拉伸字段组件，使之能覆盖状态显示时可能占用的完整区域。
To correct your Web page, use the Design view to stretch the field component over the entire area where the status could appear.
目前没有研究显示为什么大量阅读会导致这一结果，但是由于长时间聚焦近处的物体需要眼部肌肉持续收缩以保证视网膜保持需要的形状，因此这种眼肌的持续收缩状态可能会使眼球受到拉伸，长期如此，其原有形状可能会被永久地改变，从而导致近视产生。
But focusing on close objects involves contraction of muscles controlling the shape of the eye's lens. And one possibility is that "this constant contraction may stretch the eyeball.
跑步过程会使肌肉的长度变短，这种拉伸练习可以帮助肌肉重新恢复至其安静状态时的长度，从而不会使你在练习过后感到肌肉僵硬。
Running causes the muscles to shorten and stretching helps them re-establish their resting length, so you don't feel stiff afterwards.
单轴的应力状态跟棱柱杆承受单纯轴向拉伸十分近似。
The condition of uniaxial stress is closely approximated in prismatic bars subjected to pure axial tensile.
锻炼前对局部肌肉进行伸展运动，或是充分拉伸这个部位，保持这个状态不动达20秒钟。
Stretching/elongating a muscle and holding a steady point without bouncing for a period of 20 seconds.
推导出单向和双向拉伸应力状态下的内时本构方程，据此分析了分散性失稳和集中性失稳。
The endochronic constitutive equations under uniaxial and biaxial tensile stress state are given to analyze diffuse instability and localized instability.
工业化试验表明：当喷丝头负拉伸率为- 73%时，纤维可纺性达到最佳状态。
The practical experiments showed that fiber spinnability was optimized when spinneret negative draw ratio was - 73 %.
弯曲试验有着能比较容易地探测变形的优点，缺点是应力状态不象压缩或拉伸试验那样简单。
A bending test has a merit that detection of deformation is relatively easy and a demerit that a stress state is not simple as compared with a compression or tension test.
拉伸断裂界面的的SEM分析也表明二种纤维与基体的粘接状态不好，但复合材料同样具有良好的力学机械性能。
SEM analysis of tensile rupture interface also indicates that two fibers with PMMA matrix bind not well, but their composites have good mechanical property.
合适的界面结合状态不仅可以提高冲击能量，而且拉伸强度也相应提高。
The suitable interface bonding state can improve not only the tensile strength but the impact energy absorbed as well.
对不同热加工状态的AM 50镁合金在不同试验温度下的拉伸性能进行了研究。
The tensile properties of magnesium alloy AM50 subjected to various hot-working conditions were investigated at different test temperatures.
玻璃钢拉伸强度主要取决于玻璃布经纬向的玻璃纤维和基体树脂的性能以及两者之间的组合状态。
GRP tensile strength mainly depends on warp and weft fibers in woven cloth, property of matrix resins and their combination.
在不同时效状态，合金的拉伸和疲劳断裂方式亦不同，拉伸和疲劳断裂方式受合金形变行为的影响。
The tensile and fatigue fracture mode is also different in different aging conditions, which is affected by the slip behavior of the alloy.
实验结果表明：玻璃在拉伸和压缩状态下的流变模型存在差异。因此，假定玻璃在拉、压状态下的流变模型相同是不合理的。
The results indicate that the rheological models of glass are different in tension and compression, so that the above assumption is not reasonable.
数值计算结果表明：T型接头焊趾区经过TIG电弧重熔处理后，虽然能够改善焊趾的形状，但该部位仍呈拉伸残余应力状态。
The results show that after TIG arc remelting treatment, the T-joint weld toe area can improve the shape of the weld toe, however, the area till shows a tensile residual stress state.
高频疲劳试验机属于金属材料试验机，是一种主要用于测定金属及其合金材料在室温状态下的拉伸、压缩或拉压交变负荷的疲劳性能试验的机器。
High-frequency fatigue tester, which belongs to metal material tester, is used to measure the fatigue performance of drawing, compressing of metal material and its alloy in room temperature condition.
文中对室温大气环境下峰时效状态对3J21合金拉伸性能的影响进行了讨论。
The influence of peak-aged state on the tensile properties of 3J21 alloy was discussed at room temperature under atmospheric condition.
研究表明，多轴应力状态下NEPE固体推进剂强度与应力相关，八面体剪应力随平均主应力的增加呈非线性增加；NEPE推进剂的破坏强度随拉伸速率的增加而提高。
The results show that strength of NEPE solid propellant under multi-axis stress state is related to strain; octahedral shear stress nonlinearly increases with the average main stress.
总结了由此而引起的在极限拉伸系数和最大相对拉伸高度状态下，工业化规模生产的实践经验和有关数据的验证。
It summarized the practice experience and validating of relate data that are about manufacturing under terminal stretching coefficient and maximum relatively stretching height.
总结了由此而引起的在极限拉伸系数和最大相对拉伸高度状态下，工业化规模生产的实践经验和有关数据的验证。
It summarized the practice experience and validating of relate data that are about manufacturing under terminal stretching coefficient and maximum relatively stretching height.
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