focusing slide meaning in English

对焦定位片

How many points were in the focus slide star
在聚焦幻灯片星星中有多少个点？
How many points were on the focus slide
在聚焦幻灯片上有多少个点？
How many points were on the star that was used as a focus slide
在那个用作聚焦幻灯片的星星上有多少个点？
How many points did the star have that was used as a focus slide
用作聚焦幻灯片的星星有多少个点（顶点）？
How many points were in the star that was used as a focus slide for this representation
在第一张幻灯片中出示的星星上有多少个点？