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The aim of the paper is to improve the reliability of HF generator, which is the key to decide the life of HF electrodeless light. At first, I collect and analyze the relative dates, and statistics fault models.

首先进行了与可靠性相关的数据收集与分析，对故障模式进行统计；然后从电路结构、环境应力及容差三个方面进行可靠性分析，从而为关键的可靠性设计提供了依据；接下来的可靠性设计，从电路设计、热设计、降额使用、筛选四个方面逐一解决了可靠性分析阶段发现的问题；最后，我将改良的发生器批量生产，并从中重新收集了可靠性数据进行计算，事实证明改良后高频无极灯的平均寿命已达到6万小时。

Integrated with the calculation methods of soil pressure, the mechanism of soil pressure of fale is studied systematically and detailedly based on the mode of axial stress distribution of wholly grouted anchor.

在全长粘结式锚杆拉力分布模型基础之上，结合本文的土钉土压力计算方法，本文对面层土压力机理进行了系统详细的研究，提出了面层局部土压力、面层土压力及土钉最大拉力的计算公式和分布模型，理论分析和实例分析表明，本文提出的轴力分布模型和面层土压力机理是合理的，解决了面层土压力取值标准问题，为面层设计提供了定量的依掘，土钉最大拉力可直接用于土钉长度设计。

The physical meanings of BEM are extended by the FBEM and FPFM. On the basis of solving plane problems sueessfully with FBEM and FPFM, the article recommends the fictitious boundary element method and fictitious point force method to solve three dimensions problem in solid mechanics.

本文对边界单元法进行了改进，提出了使用方便、灵活、物理意义清晰的虚边界单元法和点载荷法，较好地解决了局部数值解精度不高的问题，并将所提出的方法推广应用到求解三维问题，减少了问题的复杂性。

There are some results for the problem which confine M as only related to λ. In this paper, we break down this confinement and deal with it in a wider situation. By energy estimates and fixed point method, the existence and uniqueness theorem of th...

以前的工作仅在M是参数λ的特殊情况下做的，文中打破了这种限制，在一般情况下讨论了这类非线性双曲方程的可解性，以能量估计与不动点相结合给出了此方程有惟一局部解的存在定理，从而基本上解决了这类方程初值问题的存在惟一性。

5Calibration of the laser optical axis of the basic principles and methods isdiscussed, laser target designator axis calibration device is designed, the key technologythat a large caliber, long focal distance from the axis parabolic reflector design is solved,and the cross target line which can be used for a wide variety of observation devices isdesigned, the final calibration accuracy is 0.05mrad.

5论述了激光光轴校正的基本原理和方法，设计了激光目标指示器光轴校正装置，解决了其中的关键技术：大口径、长焦距离轴抛物面反射镜的设计问题，并设计了可用于多种观瞄装置的十字靶标，最终的校正精度达0.05mrad。

E. , the Frechet derivative is the first order of Zhang's integrated geometric factor. With the help of FEM, the calculation of the Frechet derivative is carried out conveniently, and its efficiency and accuracy are recommendable.

同时给出了均匀背景条件下Frechet导数结果，并且巧妙地解决了利用有限元素法计算Frechet导数的问题，获得了较高的运算效率和计算精度，从而使经典的有限元素法具备了求解测井响应和进行Frechet导数精确计算的双重功能。

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对冷冲压技术的分类、特点及发展方向作了简略概述；论述了冲压零件的形成原理、基本模具结构与运动过程及其设计原理；对典型的冲压件模具进行了设计：大直径三通管冲压复合模设计解决了大直径三通管的加工难题、带有浮动凸凹模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、消音器后补碗落料、拉深、冲孔、翻边复合模设计、一模两件落料拉伸冲孔翻边复合模设计、环形弯曲件的模具设计、铰链卷圆成形工艺及模具设计、半自动送料切角装置设计、滑板式送料拉深、冲孔、翻边模设计实现自动送料、长管多孔冲模设计、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

If you use the Green Belt Movement model as an example, we say if you take care of the environment and if you take care of the land, you can give yourself food, and if you are eating the right food, 50% of your health is taken care of.

如果以绿带运动为例，我们说，假如人们保护好了环境，保护好了土地，那么食物问题就解决了。如果人们吃的食物没有问题，那么50%的健康问题就不用担心了。

The Gradient—Hamilton function method is presented first. Its formula with multiplier function and relax factors quated in solving constrained shape optimization problems is derived. The method is carried out on micro computer to solve shape optimal design of column.

提出了梯度—H函数极值法，并推导出了求解约束形状优化问题时引入的乘子函数和松驰因子的具体公式，在微机上实现了这种方法，并用其解决了立柱的形状优化问题。

The DFP method is proved a officient one in processing unconstrainted optimization problem, so in this thesis, used the idea of mechanical structural optimization for reference analytically and extended modified formula of DFP—matrix to shape optimiation the DFP—Hamilton function method is put forward.

由于变尺度方法是有效的无约束优化方法，本文在分析的基础上借鉴了机械结构参数优化的思想，并将变尺度矩阵的修正公式扩展至形状优化中去，进而提出了变尺度—H函数极值法，并用其解决了梁、柱和复杂曲面的形状优化设计问题，取得了较好的效果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。