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This paper emploies a collection of discrete and limit topological events which simulates topological changes of Delaunay diagrams,the dual graph of Voronoi diagrams,to realize maintaining Voronoi diagrams of moving points.

通过一组离散的，有限的事件序列对其对偶图Delaunay图拓扑改变过程的模拟来实现对移动点Voronoi图拓扑结构的维护。

It also acts as a dust and insect guard, keeping it a lot cleaner and therefore maintaining it for longer.

它还作为一个尘埃和昆虫后卫，把它大量清洁，因此，维持更长的时间。

Side note: I've also tried maintaining my screen dust free with a Swiffer Duster.

方注：我也想保持我屏幕灰尘swiffer免费提供除尘器。

The result of dispelling alcohol and defending ebriety test indicates: saponins of Aralia elata Seem can restrain alcohol absorbed, extend alcohol bearing time, reduce ebriety maintaining time remarkably, and have a function of dispelling alcohol, defending ebriety and protecting liver.

解酒与防醉试验表明，刺嫩芽皂甙具有抑制乙醇吸收作用，从而能够显著延长酒精耐受时间，降低醉酒维持时间，有解酒防醉保护肝脏效果。

Wetland is one of the most important ecological systems of land, it is not substituted in maintaining and regulating ecology environment quality.

湿地是陆地最重要的生态系统之一，在维护和调节生态环境质量方面具有不可替代的作用。

Wetland is one of the most important ecological systems of land,it is not substituted in maintaining and regulating ecology environment quality.

中文摘要：湿地是陆地最重要的生态系统之一，在维护和调节生态环境质量方面具有不可替代的作用。

Desert-oasis ecotone, an important constituent of oasis ecosystem has vital role in maintaining the stability of oasis.

荒漠绿洲过渡带是绿洲生态系统的重要组成部分，对维持绿洲稳定具有重要作用。

Based on deeply-analyzing the characteristics of iron-making process, it is presented that gen-eralization and self-adaptation of the BF judgement systems are two important factors for maintaining the sta-bility and efficiency of neural network expert system.

在深入分析高炉冶炼特点的基础上，提出泛化特性和自适应特性是高炉炉况判断系统稳定有效运行的2个重要特性。

To improve temperature uniformity,trolley electric furnace heated by three districts, in accordance with temperature arrangement method arrange heating elements, compensation for loss of furnace heat mouth, I District II District III district heating elements layout of the different, but the car high-precision temperature furnace heating and insulation in the process of maintaining three districts temperature consistent.

可为用户定做各种规格尺寸高精度高温台车电炉。为提高炉温均匀性，台车电炉采用三区加热，并按均温布丝法布置加热元件，为补偿炉口热损失，I区II区III区加热元件布置范围各不相同，但使高精度高温台车电炉在升温及保温过程中保持三区均温一致。

Our proprietary setup procedures enable us to plate in deep cavities, while maintaining electroform thickness with zero porosity.

我们拥有专利权的设置程序可以进行深腔镀膜，同时在无孔隙的情况下保持电镀厚度。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。