The main content of appointment system of financial personnel and its positive effect were introduced.

介绍了实行财务人员委派制的主要内容和实行该方法所取得的积极效果。

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Spatial data is the main part of the GIS data system, constructing reasonable and efficient spatial indexing has an significant effect on the GIS system performance.

空间数据是GIS系统的主要数据组成部分，建立合理高效的空间数据索引对于GIS系统的性能有着极其显著的影响。

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This paper established a simulation model of guided system based on vehicle dynamics, with the effect of all main factors on guided performance investigated by simulation.

根据车辆动力学建立了引导系统的仿真模型，通过仿真研究了各主要因素对引导性能的影响。

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