The triangular elements and area coordinates are used to solve the numeric solution.

应用三角剖分、引入面积坐标来求出方程的近似解。

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First, scan the reflectivity data in the immediate area around the detection coordinates, allowing for precipitation front movement from any direction.

首先，扫描检测坐标周围紧接区域中的反射率数据，允许降水前锋移向任意方向。

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With these pixel coordinates, we can draw lines emanating from the the points, recolor them, connect them, fill the surrounding area with color, or anything else GD can do.

使用这些像素坐标，我们可以绘制以这些点为起点的直线，重新设定直线的颜色、连接直线、用颜色填充周围的区域或者 GD 可以执行的任何其他操作。

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Herman also coordinates with regional partners to integrate plans and share resources through the Regional Catastrophic Preparedness Team and Urban Area Working Group.

WHITEHOUSE: Herman schaffer | The White House