文章采用栅格数据模型，运用面积权重法和反距离加权法对GDP值进行了空间拓展。

Using the areal weighting interpolation and inverse distance weighted averaging, a spatial distribution model of GDP is established in this paper.

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采用栅格法建立机器人空间模型，整个系统由全局路径规划和局部避碰规划两部分组成。

The whole system includes two parts, the global path planning and the local planning for obstacle avoidance.

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采用栅格法建立了机器人工作空间模型，整个系统由全局路径规划和局部避碰规划两部分组成。

The whole system includes two parts: the global path planning and the local planning for obstacle avoidance.

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