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In the paper, the simplified methods of route shape, length, angle and the measure of topology maintenance in map simplification are discussed, such map form possesses high application value in LBS service because it can ease user's cognition burden.
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这种地图不仅能满足空间认知需要，而且能缓解目前在LBS应用中存在的地图数据与屏幕大小的矛盾，适应移动环境下用户的多行为状态和终端硬件特点。 |
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In the paper, the simulation of ship maneuvering in regular waves is accomplished by a simplified six degrees of freedom mathematical model encompassing calm water maneuvering and traditional seakeeping theories.
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摘要本文以结合操纵性与耐海性的六度非线性运动方程式模拟船只在规则波下的操纵反应。 |
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In the paper, the theory of thermal transport in porous media is used to establish the mathematical model of the development of the frozen wall considering the groundwater flow, which is used to research the effects of the groundwater flow on the formatio
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采用多孔介质热运移理论建立了考虑地下水流时冻结壁发展的数学模型，可用于数值模拟研究地下水流对冻结壁形成的影响。 |
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In the paper, the time-serial generalization principal component analysis (GPCA) was implied to study the dynamic evolution of science and technology competitveness of colleges and universities in province area of China.
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本文将具有时序性特征的全局主成分分析(GPCA)方法引入我国省域高校科技竞争力动态演化研究之中。 |
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In the paper, there is an empirical study on industrial structure and Guangdong's economic growth from 1952 to 2001 with a dynamic econometric analysis method based on VAR model.
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摘要运用基于VAR模型的动态经济计量分析方法，对广东1952-2001年产业结构与经济增长之间的关系进行实证研究。 |
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In the paper, three methods of evaluation of cushioning properties and energy-absorption capability of low density porous material are discussed, and a mew method of evaluation of damping of vibration is introduced, Taking silicone rubber foam as an examp
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摘要本文对低密度多孔介质缓冲吸能特性的三种评估方法进行了分析，进而提出了评估其减振特性的刚度曲线方法，并以泡沫矽橡胶爲例，具体阐述了上述评估方法在合理选材、优化设计中的应用。 |
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In the paper, through measurements of interior noise of existing railway vehicles in china, studies propagation routes and distributing characteristics, puts forward to the distributing rules of interior noise in different statuses and speeds, gets the ma
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摘要运用多通道噪声测试与分析系统，对运行中的铁路客车进行了多点同步车内噪声测试和分析，得出了在不同工况和不同运行速度时的车内噪声的现状和分布规律，确定出车内噪声发生的主频带，对既有线铁道车辆和将来的高速铁道车辆进行防噪降噪设计具有较高的参考价值。 |
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In the paper, we give forty problems of set topology. That's part of problems.
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摘要给出了点集拓仆40个问题，是点集拓扑问题的一部分。 |
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In the paper,probes into the practicability of studying photometric analysis by the aid of continuous light sources at atomic absorption spectrophotometer has been probed.The monochromatic absorption is unnecessary and sufficient condition for the Beer-La
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探讨了在原子吸收光谱仪上应用连续光源研究分子吸收光谱的可行性，单色吸收是朗伯-比耳定律成立的充分不必要条件. |
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In the paper,the influence of grain shape on the flow characteristic of self-flowing materials is discussed.It is considered that the flow characteristic of self-flowing materials with aggregate containning sheet-shape grains is good.
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本文用流体力学的观点，论述了颗粒形态对自流料的流动性的影响，认为含有片状颗粒的骨料配成的自流料流动性较好。 |
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In the papery the hydrocarbon migration vestige of Donghetang formation in the south-west of Tahe oilfield is studied systematically by analyzing oiliness cores and slices and using Microscope infrared spectroscopy (Micro-FTIR) technique which was used to
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摘要通过塔河地区西南部古生界东河塘组岩心油显示及含油薄片分析，以及首次应用红外光谱石油基团成份测定技术，对该地区东河塘组油气运移痕迹做了一次系统的研究。 |
