In this paper we also provide a formula for computing the offset caused by non-coincidence between the telescope slewing center and the dome spherical center, and make further analysis on the offset.
给出了由望远镜转动中心与圆顶球心不重合引起的偏差的计算公式，并对其进行了分析。
2
This paper points out the insufficient definition in some textbooks and also proves noncoincidence of the yieding point and extreme point.
但有的教材并非如此，本文指出了教材中对拐点的不充分定义，并证明了拐点与极值点的不重合。
3
After identifying and analyzing, fracture and non-fracture identification expressions have got, which have 90 coincidence rate about non-fracture dot, while 100 coincidence rate to fracture dot.