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In this paper, cross ratios of the four collinear points and five coplanar points were analyzed first, then some affecting factors were concluded, and some constraints were proposed on constructing model-based object recognition system.

首先对共线4点和共面5点构成的交比不变量的稳定性进行了分析，得出了影响稳定性的因素，然后提出在构造目标识别系统的模型时应注意的约束条件，实验表明：在这些条件下构造模型的抗噪声能力大大提高。

However, in this paper MesoDyn simulation is used to study interactions between polysaccharide and surfactant. A new and simple approach for studying such a system is found. This study enlarges the application of MesoDyn method in colloid chemistry and provides a new idea for investigating interactions between other type of polymer and surfactant.2. The second novelty of this dissertation is mesoscopic simulation and experiments are combined to study physicochemical properties of system.

文献报道的MesoDyn模拟主要用来研究嵌段共聚物或两种聚合物混合体系的性质，而本文首次利用MesoDyn模拟方法研究了聚合物和表面活性剂之间的相互作用，建立了研究这一体系的简易而有效的新途径，从而大大增强了MesoDyn方法在胶体化学中应用的可行性；同时，有助于人们进一步了解MesoDyn方法，并为用其研究其它类型的聚合物与表面活性剂之间的相互作用提供了良好的思路。2。

With abroad congener technology photograph is compared, the compound function colophony of new research and development is measured to the adsorption of organic matter in liquid waste of printing and dyeing raise 1 times above, and fight contaminative ability to increase greatly.

与国外同类技术相比，新研发的复合功能树脂一般也称离子交换树脂(用化学法将高分子共聚物制成的有机单体颗粒的离子交换剂对印染废水中有机物的吸附(物质表面吸住周围介质中的分子或离子现象)量提高1倍以上，且抗污染能力大大增强。

Without dithering, several bits of color information would be omitted, leading to significantly reduced image quality.

如果没有抖动，数位彩色信息会被忽略，从而大大降低图像的质量。

Moreover, the using of single chip reduced the cost of color display, and optimized the drive circuit.

利用单片机控制OLED的显示，可大大降低OLED彩色显示的成本，优化了OLED显示器件的驱动电路。

The results indicate that the Y5V dielectric powder prepared by MSS not only are homogeneous, excellent and intensive, but also is active, can be sintered 900~920℃and the dielectric properties are better than the columbite precursor method , can be applied with pure silver paste, the production cost of MLCC is able to reduced.

结果表明：熔盐法制备的Y5V电子瓷料粉体不仅颗粒均匀、形貌好、易分散，而且活性高，使得多层陶瓷电容器的烧结温度可以降低到900~920℃，其介电性能要优于传统的二步合成法制备的粉体，十分有利于采用全银内浆，大大降低MLCC的生产成本。

The use of this security architecture significantly enhances the combatant commander's ability to use precise positioning, velocity and time, in all environments.

这个安全架构的使用大大提高了作战指挥的能力，可在所有环境下快速及时的精确定位。

And by using geometrical and rigid constraints, the combinatorial search for optimal path in the fine matching of remaining candidate objects is greatly reduced.

同时，精匹配中利用几何和刚性约束，大大降低了搜索最佳路径的组合复杂度。

He is the son of a wealthy family,but he seems to have come down in the world.

他是个富家子弟，但看起来生活水准已经大大降低了。

It come to our attention the popularity of Bruce Lee and Jeet Kune Do has increase tremendously in China.

最近我们注意到李小龙及之武学截拳道知名度大大在中国增多。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。