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The rubber seal issue under operating system has been studied by the theory of dynamic sealing. The deformation and stress distribution of rubber material were calculated under the well in-pressure and sealing out-pressure using then-linear finite element. Through the experimental study of the rubber strength and fatigue, the intensity limit and the fatigue life were obtained. According to the study results, a new type of sealing equipment was designed by adding the reinforcing steel bar into rubber core to reduce the maximum shear stress, so as to solve the problems of dynamic seal under hyperbaric pressure.

采用动态密封理论，针对带压作业系统中的橡胶密封胶芯问题，利用非线性有限元计算了在井压和密封外压作用下的变形和应力分布特征，并通过对密封胶芯材料进行了强度和疲劳实验研究，获得了胶芯材料破坏的原因，进而根据计算和实验研究结果，进一步提出了在胶芯内增加钢筋以减小最大剪切力的改进意见，同时进行了理论校核，并以此为基础设计了新型的密封胶芯，从而解决了带压作业装置高压动密封的难题。

The recommended term for a diamond without external or internal flaws or blemishes of any description when viewed by a trained eye under efficient illumination and under a corrected magnifier of not less than ten power; binocular magnification under dark-field illumination is preferred.

推荐代名词钻石内部或外部的任何瑕疵或漏洞描述当眼睛下观看了训练效率和照明放大镜下纠正不少于10功率；双目放大下暗场照明的首选。

The recommended term for a diamond without external or internal flaws or blemishes of any description when viewed by a trained eye under efficient illumination and under a corrected magnifier of not less than ten power; binocular magnification under dark-field illumination is preferred.

推荐代名词钻石内部或外部的任何瑕疵或漏洞描述当一个观摩眼下训练下纠正和高效照明放大镜不少于10功率；双目放大下暗场照明的首选。

Second, considering the influence of well resistance, smear effect and structure breakage of thick soft clay, the equivalent calculation method is proposed. That is, the partially penetrating sand drain ground is viewed as the double-layered ground, and its consolidation is analyzed with 1-D consolidation theory, through the transformation from 3-D consolidation to 1-D consolidation in the region of sand drain. This can overcome the disadvantage that the excess pore water is discontinuous between the region of sand drain and under-lying soft layer. To the double-layered ground, based on the consolidation mechanism under surcharge, the excess pore water pressure calculation formula is deduced under the condition of multilevel equably loading or unloading, which perfects the consolidation theory.

然后，在充分考虑竖井区井阻、涂抹作用以及土体结构损伤破坏对固结影响的基础上，将未打穿竖井地基合理地转化为双层地基，按一维固结理论计算，克服了传统固结计算方法在竖井处理区与下卧层交界面处存在孔压间断的缺点；在此基础上，从超载预压法的基本原理出发，分析了双层地基超载预压固结、沉降机理，推导了多级等速加、卸载情况下双层地基的固结计算公式，进一步完善了双层地基固结理论。

Based on them, distribution laws of subgrade temperature field under fluctuant boundary temperature cycle conditions are analyzed, and different ratios of slope for general subgrade and different status when there are or not banquettes are compared by laboratory simulation and numerical analysis; thermal insulation and cooling effect of thermal insulation slab, broken stone and non-power heat pipes is respectively investigated under the trend of elevated temperature by numerical analysis, laws of subgrade deformation are predicted under the trend of elevated temperature and influences of subgrade thaw settlement on pavement stress are studies by numerical computation for observation data of representative road sections selected.

为研究青藏公路冻土病害处治对策，从青藏公路2002年～2004年冻土病害整治工程实际出发，在系统分析研究青藏公路病害及发生机理的基础上，运用室内模拟试验、数值分析方法，依托处治冻土病害路段实际使用的隔热板路基、碎石路基、无动力热棒路基等进行现场试验，分析边界温度周期波动条件下的路基温度场分布规律，同时进行一般路基不同边坡坡率的对比研究及有无护坡道的对比研究；运用数值分析方法，对气温升高趋势下隔热板、碎石、无动力热棒的隔热降温效果进行了研究；选择代表性路段观测资料，运用数值计算的方法，进行升温趋势下的路基变形预测，研究路基融沉变形对路面应力的影响。

Other defense projects included gyroscope-based and other complex control systems for gun and bombsights and inertial navigation under Charles Stark Draper's Instrumentation Laboratory, the development of a digital computer for flight simulations under Project Whirlwind, and high-speed and high-altitude photography under Harold Edgerton.

斯塔克。德雷珀的仪表实验室研发的基于回转仪等的复杂控制系统，可辅助枪支，轰炸瞄准仪和惯性导航仪，由旋风计划研发的能模拟飞行轨迹的数字计算机，由哈罗格。艾格顿发明的高速度高海拔摄影技术等。

Where the Purchaser under this Agreement is not the assignee personally executing the Assignment of the Property from the Vendor, the Purchaser is hereby required to disclose such information as will enable the Vendor to set out at length in the Assignment full details (including identity card numbers and full addresses) of all confirmors, nominees, sub-purchasers or other intermediate parties who had purchased or sold the Property or any interest therein by any means whatsoever and the full monetary price or other consideration and including any commissions, reservation or agents fees or any other amount which any of the parties knows has been paid or given to any person in connection with any intermediate transaction in addition to the consideration payable to the Vendor for the assignment under this Agreement, and in the event of the failure of the Purchaser and any other intermediate party failing to provide the required information to the satisfaction of the Vendor, the Vendor may notwithstanding anything to the contrary contained in Clause 5 hereof refuse to complete the assignment in favour of any assignee other than the Purchaser under this Agreement without incurring any liability for damages or otherwise to the Purchaser or any of the intermediate parties, whether disclosed or not.

2买方如并非亲自签立卖方转让契的承让人，则须披露足够资料，使卖方能在转让契详列所有以任何方式购买或售卖本物业或其中任何权益的确认人、代名人、转购人或其他居间者全部细节（包括身份证号码及详细地址）、十足价款或其他代价，包括佣金、权益保留金、代理费或据任何一方所知，除根据本协议为转让契应向卖方支付的代价外，任何其他已就居间交易向任何人士缴付或付出的金额。倘买方及任何其他居间者未能提供所需资料令卖方满意，则即使第5条有相反规定，卖方仍可拒绝根据本协议向买方以外的任何承让人完成转让，而无须向买方或任何居间者作出赔偿或承担任何法律责任。

To obtain the best nutritional quality, the optimum nitrogen application is 125.8kg/hm~2 under middle density, during different development stage, the best C/N value were respectively 1.35-1.40, 1.17-1.25, 1.02-1.03, 0.62-0.71, 1.55-1.72, 0.98-1.02.8, Consequently, to obtain the unification between high yield and good quality, under the conditions of this study the optimum plant density is 60000 plant/hm2, the optimum nitrogen application is 120kg/hm2 to 180kg/hm2 under this density, it was obtained that at five-leaf, seven-leaf, ten-leaf, silking, lid after silking and harvest stage, the best C/N value were 1.27-1.63, 0.80-1.38, 0.81-1.07, 0.62-0.90, 1.39-1.72, 0.98-1.17, respectively.

在各生育时期适宜叶片碳氮比值分别为：1.35～1.40、1.17～1.25、1.02～1.03、0.62～0.71、1.55～1.72、0.98～1.02。 8、综合各因素，要达到甜玉米高产优质的统一，本试验推荐种植密度为60000株/hm~2，中密度下适宜施氮量为120～180kg/hm~2，叶片碳氮比值在五叶展、七叶展、十叶展、吐丝期、吐丝后11天、收获期动态变化为：1.27～1.63、0.80～1.38、0.81～1.07、0.62～0.90、1.39～1.72、0.98～1.17。

In this paper, based on the demand of enterprise, the design theory and method for blocking scheme of clamping fixture are further studied; the difference and similarity of under frame of railway freight wagon on structure and size are analyzed; the design system frame of blocking scheme for freight wagon under frame is constructed; the blocking design method for under frame assembly is generalized.

本文在企业需求的基础上，对夹具模块化方案设计理论和方法进行了深入的研究，大量分析了铁路货车底架组成在结构、尺寸上的差异及相似点，并对与之相对应的组对夹具进行了细致的研讨，构建了货车底架组对夹具模块化方案设计系统框架，总结出底架组对夹具的模块化设计方法。

Translation of the hatch under the protection board, nursing board's interpretation under the hatch , the hatch under the guard plate means English, Chinese, English ...

舱口下护板的翻译，舱口下护板的解释，舱口下护板的意思英文，中文，英语。。。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷