课题

In this thesis, the nickel based mixed oxides aerogel catalyst was prepared by sol-gel-supercritical drying method and compared with that prepared by IM method.

研究新的技术，制备高性能的用于顺丁烯二酸酐选择加氢的催化剂是具有理论和实际应用价值的课题。

The research is financially supported by the National Natural Science Foundation of China and Aeronautics Science Foundation.

本课题的工作得到了国家自然科学基金和航空科学基金的资助。

The research of our subject enriches the content of three-dimensional teaching and makes the aim of "process and method" and "affectivity and value" more practicable, which is expected to effectively improve the durative, harmonious and personal development of students.

本课题的研究，丰富了三维教学目标的内容，特别是使"过程与方法""情感态度和价值观"目标变得更加具体和可操作，从而有望更加有效地促进学生的持续发展、和谐发展和个性发展。

The stress field is achieved by affine transformation through the complex function theory.The stress is analyzed in the composite material plate with circular hole by the model above.

由于复合材料具有十分鲜明的各向异性特性，在应用上提出了许多亟待研究解决的新课题，例如结构的开口问题。

A method for image matching in stereo vision is proposed in this paper,which uses epipolar geometry and affine transformation comprehensively.

1引言图像特征点匹配是计算机视觉和摄影测量领域重要的研究课题，匹配的精度及自动化程度会对后续的操作带来直接的影响。

Description and recognition of plane has been processed depend on the geometry model of continental group and affine group anciently, with the development of the computer vision application, people attaches importance to the investigation of the perspective invariants, thus the investigation of perspective invariants gradually become an important problem in the computer vision.

以往人们对曲线的描述和识别大都是在欧氏群和仿射群的几何模型下进行的，近几年随着计算机视觉应用的发展，射影群下不变量的研究开始受到人们重视，所以射影变换下几何不变性的研究是计算机视觉中的一个重要的研究课题。

This sort of imagination can totally get rid of entanglement from fame and material gain , thoroughly rule out any situation of having to take consideration of their livelihood into accounts of such thinking , make it possible for them to weave fabric of their thinking surrounding the afflatus in a absolutely undisturbed doldrums.

但他们也有一点非常宝贵，是职业科学家缺乏的，那就是他们可以以其灵感为中心作出全方位辐射状的任意想象，这种想象可以完全摆脱名誉和功利的纠缠，完全不存在为生计而被迫选择研究课题的情况，完全可以在不受任何干扰的情况下围绕这个灵感静静地编织他们的构思。

Land of afforest of large area afforestation is the one big task that crosses century China.

大面积植树造林绿化国土是跨世纪中国的一大课题。

Highway afforestment and soil and water conservation is a new problem of road afforestment.

高速公路的绿化和水土保持是公路绿化的新课题。

Effect and quality of the exaltation foreign language teaching are aftertime long time inside face of a graveness topic.

提高外语教学的效果与质量是今后长时间内面临的一个重大课题。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐