The tongue map is derived from a discredited German paper from 1901.

这张舌头示意图源自1901年德国的报纸。

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An analytic expression for the intensity of the central point in Fresnel's circular aperture diffraction was derived using the methods of vector map and integration respectively.

分别用矢量图解法和积分法导出了菲涅耳圆孔衍射中心场点的光强的解析表示，方便了此类问题的分析。

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Using infrared data of Geostationary Meteorological Satellite, the gray scale and other kinds of element were calculated or derived after map projecting and geographic calibrating.

经过地理定位、地图投影后，读取了地球同步气象卫星红外灰度，计算了导出物理量。

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Beleaguered insurer AIG is renaming its property-casualty and general insurance business "Chartis, " which it derived from the Greek word for map.

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