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The design requirement and mechanism of Lunar Rover with Center of Mass Varied (CMR-1) are briefly introduced. Based on the characteristics of wheelsoil interaction mechanics, the wheel sinkage, stability margin, motion resistance and drawbar pull of lunar rover in forward mothion are analyzed using terramechanics theory.

简要介绍了变质心月球车(CMR1)的设计要求和机械结构，并基于地面力学的知识，从分析月球车轮地接触力学特性入手，对变质心月球车行走过程中车轮下陷量、运动阻力和牵引力等进行了分析。

2According to requirement of suppressing stray light in two-mirror system, vertex coordinate formulas of inner baffle are deduced based on geometrograph in the case of certain obscuration, viewing field and vignetting. In order to reduce the obscuration, conical baffle of secondary mirror is ameliorated into a shutter one. Outer baffle is designed when angle of stray light suppressing is foregone and the vanes are designed in C-language program. Finally, the same-height vanes in drawtube between primary and secondary mirrors are designed for further suppressing the stray light in two-mirror system.

给出双反射系统杂散光消除设计的具体要求，结合作图法，推导出考虑视场大小及初始中心遮光比确定时，主次镜内遮光罩顶点坐标公式；讨论考虑渐晕时主次镜内遮光罩的设计；为了减小初始中心遮光比，将次镜锥状遮光罩改进为百叶窗式结构；设计在杂散光源抑制角已知时的外遮光罩，并利用C语言实现程序化设计其挡光环的方法；设计主、次镜间镜筒内壁上等高挡光环，进一步抑制双反射系统的杂散光。

Nowadays, the high voltage output frequency of PDP driver ICs is improved year by year, as for the increase of the panel size and the requirement of high definition image. Because the power consumption is in direct ratio to the output frequency, the significance of low power consumption design is more and more obvious

特别是随着显示图像质量的提高，以及平板显示器尺寸的增大，使得驱动芯片的工作频率不断提高，功耗也就随之增大，低功耗方面的设计就显得尤为重要。

By analysis of characteristics of the fuel cell, the performance requirement of the electrical driving system of fuel cell powered EV has been given.

通过分析燃料电池的本质及其工作特性，提出了对燃料电池电动车电驱动系统的性能要求。

The capacity is large, which can reach above 75% space of the drum. Only 1:1 liquid percentage would meet the technical requirement, the water consumption is small. The liquid in the drum can reach 3/4 level of drum. Therefore the fall of the skins is only 0.7 meter at maximum. The liquid moves as the pattern "8" in the drum, which can reduce skin defects such as grain cracking, loosing and so on.

装皮量大：装载率可达到75%以上，耗水极少，一般液比在1：1以上即可满足工艺要求，机械作用适中，鼓内液面可达鼓径3/4以上，因此皮张最大落差只有0.7m左右，且皮液在鼓体转动时呈∞字型作副运动，可减少裂面、松面、黑漆不掉等质量缺陷。

Vulcanization thing in sulphur natural gas, take off to exclude, Make organic sulfur content and the vulcanization hydrogen of the natural gas of raw material accord with relevant technical index requirement , satisfy production needs,Today of the chemical swift development of natural gas the desulphurization method of natural gas also emerge endlessly , In traditional a ethanol amine the foundation of wet desulphurization and the dry law desulphurization of zinc oxide on, have arisen the desulphurization of normal temperature of ferric oxide, the dry law desulphurization of activated carbon and member sift desulphurization, DDS biochemical wet desulphurization wait for new technology .

硫的存在造成合成氨工艺中催化剂中毒，因此需将含硫天然气中的硫化氢、有机硫等硫化物脱除，使产品天然气的硫化氢和有机硫含量符合有关技术指标要求，满足生产需要。在天然气化工迅猛发展的今天，天然气脱硫方法也层出不穷。在传统一已醇胺湿法脱硫，氧化锌干法脱硫的基础上，出现了常温氧化铁脱硫，活性炭干法脱硫，分子筛脱硫，DDS生化湿法脱硫等新技术。

We design an integrated security model based on DTE and BLP, which can describe the confidentiality and integrality requirement of system security policy.

第三，通过对恶意代码作用机制、作用过程的分析，从操作系统访问控制的角度概括出基于行为HIPS的内涵。

On this basis, it is an inevitable requirement of a harmonious society to propose the development model of 搇imited dualization of city and countryside?, to seek the coping strategies accords with china's reality to explode the barrier and durance of city and countryside dual structure, and to promote the process of urban-rural integration gradually.

在此基础上，提出"城乡有限二元化"发展模式，寻求符合中国实际的破除城乡二元结构壁垒与禁锢的应对策略，逐步推动城乡一体化进程，就成为整体社会和谐发展的必然要求。

The main works in this paper are as follows:(1). In this thesis, a new method, continuous linearization model, is constructed for the non-linear dynamic systems. The precision Duhamel integration solution for the linearization equation is also given from the theory of linear differential equation. The calculating results show that the new method can improve the calculation precision greatly. In fact, the truncation error is not limited by this method, it can arrive the precision according to the requirement.

本文的主要工作有以下几个方面：(1)由于非线性项的存在，使得多数情况下难以得到非线性动力方程的解析解表达式，目前常使用数值积分方法来求解非线性动力学方程的解，但常规计算方法的计算精度不很理想，本文提出了含Taylor展开项中高阶余项的非线性动力方程的线性化数值计算方法，构造了瞬态线性化方程，给出了Duhamel积分的表达式。

In the Panel's view,"the immediate context of this provision, namely Articles 2.4.1 and 2.4.2 confirms that Article 2.4 and in particular its burden of proof requirement, applies to ... the calculation of the dumping margin".

专家组认为，"这个规定的上下文，也即条款2.4.1和2.4.2确定，条款2.4和特别是它所承担的证明责任，适用于…倾销幅度的计算"。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。