hour angle
英 美
Phase modulated resolvers can be used to model the relation between the sidereal time right ascension and the hour angle.
工作在调相状态下的旋转变压器可以用其相位模拟恒星时与赤经、时角的关系。
This paper deals with a displace of focusing line position which is caused by change of solar hour angle when a long axis of FMSC is placed in east-west direction.
本文讨论了当固定条形镜面聚光器长轴沿东西向放置时,太阳时角变化所引起的焦线位置的移动。
If you look at a clock and the time is 3:15, what is the Angle between the hour and the minute hands?
如果你看时钟的时间是3:15,什么是之间的夹角小时和分钟的手里?