但由于对流层中的折射效应，定位系统所测目标的仰角、距离等参量均存在一定的折射误差。
However because of the refraction effect in the troposphere there is refractive error in the parameters measured in positioning system.
当然，这些增温并非是由臭氧损耗的辐射效应直接造成的，而是通过波-流相互作用以及平流层-对流层相互作用等动力学过程实现的。
The warming is not due to direct radiative effect of ozone depletion, instead, it is throughout dynamic processes, such as wave-mean flow and stratosphere-troposphere interactions.
主要分析对流层的折射效应对超视距雷达信号定位的影响，并且给出相应的折射误差图（仰角误差和距离误差）；
The refraction effect on positioning of the over-the-horizon radar signal is analyzed. The charts of the refractive error(elevation error and range error) are also given.
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