太阳跟踪的方法主要有两种，光电跟踪和视日运动轨迹跟踪。
There are mainly two ways to track the sun, photoelectricity track and sun angle track.
事实上，一年的长短就是根据太阳在恒星中的这种视运动而确定的。
The length of the year, in fact, is determined from this apparent motion of the sun among the stars.
他认为这是由太阳周年视运动的不均匀引起的。
He considered that it was caused by the non-uniformity of the apparent annual motion of the sun.
在提出日凌干扰处理新模型的基础上，根据太阳视面与天线主瓣半功率点截面的相对运动关系，系统阐述了日凌时天线噪声温度的分析方法。
A new model of dealing with solar radiating disturbance is put forward and a systematic explanation to the antenna noise temperature analysis in case of solar radiating disturbance is made.
主要运用球面三角研究了太阳周日视运动规律，通过定量的角度得到了太阳周日运动的特征及其与纬度、季节变化之间的关系。
In this paper, we use the spherical surface triangle to study the sun circle daily turn around. Quantitative analysis the characterization of the circle daily turn around.
主要运用球面三角研究了太阳周日视运动规律，通过定量的角度得到了太阳周日运动的特征及其与纬度、季节变化之间的关系。
In this paper, we use the spherical surface triangle to study the sun circle daily turn around. Quantitative analysis the characterization of the circle daily turn around.
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