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1·However, the spatial data model of main GIS systems only reflect knowledge of management and manipulation objects in field of cartography, such as point, line and poly geometry objects.

当今的GIS系统的空间数据模型，主要反映地图制图领域的点、线、面对象管理与操作的几何知识。

2·This detector line array is fabricated using 2 micron design rule and a double level poly silicon structure.

器件采用最小2微米设计规则，两层多晶硅结构。

3·The manufacturing line used for the production of amorphous silicon TFT displays is was shifted over to the production of low temperature poly-silicon TFT displays.

该生产线用于生产非晶硅tft显示器是被转移到生产的低温多晶硅tft显示器。

4·A simplified algorithm of nonlinear principal curves called nonlinear principal poly line is developed and its effect for feature extraction of hyperspectral data is researched.

并对非线性主折线算法用于高光谱遥感数据特征提取的效果进行研究和讨论。