地面轨迹 meaning in Chinese

ground trace
ground track

Click on the object you wish to display a ground track of to select it
点击选择你要显示其地面轨迹的卫星名称。
When all the information has been set up correctly , click the table tab at the top of the dialog to display the ground track in a tabular form , or click the map tab to display it graphically as a line on a world map
当所有的信息设置完毕，点选对话框上的“图表”用表格的形式来显示地面轨迹或者点击“地图”用一条世界地图上的曲线的图相形式来显示。
The " length of track calculation " section of the dialog allows you to choose the length of the displayed ground track ; you can either display a track for a single orbit of the object , or you can manually enter the length of the track , and the interval at which positions are to be calculated
“轨道计算的长度”用于选择需要显示的地面轨迹的长度；你可以选择绕地一周的地面轨迹，也可以通过输入相应的轨道长度来显示在一个时间段内的轨道地面轨迹。