燃煤电厂对环境与人群所产生的辐射影响早已引起了国内外学者的关注。
Radiation effects of coal-fired power plants on people and environment have long been concerned by scientists all over the world.
通过分析该模型中物与像的对应关系，得出了射影失真产生的根源是光学系统放大率的不恒定，并与相机的外参数：倾角及视场的大小有着非线性的变化关系。
The reason for Projective distortion that the amplification ratio is not constant but has nonlinear relation with pitch and tilt angles and field of view of cameras was found out.
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