创建在该处绘制图像的左上角的坐标。
Creates the coordinates at which to draw the upper-left corner of the image.
这个冲击波正在给灰尘升温，就是图像的左上角看到红色的云。
This shock wave is heating up dust, which WISE sees as the red cloud in the upper left of the image.
通过指定原始图像的左上角、右上角和左下角的目标点可旋转、反射和扭曲图像。
You can rotate, reflect, and skew an image by specifying destination points for the upper-left, upper-right, and lower-left corners of the original image.
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