This is just the velocity of the source relative to you at that Angle.

这是源在这个角度，向你们移动的速度。

youdao

From this Angle she was indeed very kind, just this kind is relative.

从这个角度上她的确是很善良了，只不过这种善良是相对的。

youdao

From this Angle she was indeed very kind, just this kind is relative.

从这个角度上她的确是很善良了，只不过这种善良是相对的。

youdao