hour angle system of coordinate

例句：

1. 1. The new model uses a moreaccurate hour angle coordinate system to improve itsaccuracy.
   这款新模型采用了更精确的小时角坐标系统，以提升其准确性。
2. 2. The hour angle coordinate system is usedin navigation to determine the direction and distancebetween two points.
   小时角坐标系统被用于导航，以确定两点之间的方向和距离。
3. 3. The hour angle coordinate system iswidely used in scientific research and engineering design.
   小时角坐标系统在科学研究和工程设计中得到了广泛应用。