他们用一种三角形的坐标纸把三个测量值画在一起。
They used a kind of triangular graph paper to plot the three measurements against one another.
当汽车在开行当中时，跟踪设备用三个或四个GPS卫星以三角形定位，然后持续地通过无线电数字传输目标所在的坐标位置。
As the target drives around, the tracking device triangulates its position from three or four GPS satellites, and digitally transmits its coordinates continuously by radio.
为了便于对图像进行修改和注释，将输出三角形坐标以便稍后应用到图像中。
To facilitate modification and annotation of the image, the triangle coordinates are printed out to be applied to the image later.
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