What he introduced included oval projection, stereographic projection, analemma and scenography etc.
关于投几何，他有椭圆投、球投、平行正投视法等。
Stereographic projection is known since the antiquity and was originally known as the planisphere projection.
立体绘图法原称为星座盘投法。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
Here's what the action of repeatedly multiplying by i looks like on our stereographic projection of the ijk sphere.
我们对ijk进行极投影后，反复乘以i的操作效果。
Analogous to what we did before, stereographic projection will associate almost every point on the unit sphere with a unique point on the horizontal plane defined by the i and the j axes.
类似于我们之前的做法，极投影会将单上几乎每一个点与由i轴和j轴定义的水平平上的一个唯一点关联起来。
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划词翻译
详细解释
几何，他
有椭圆投
投
视法等。
数学之
我们对ijk
进行
上几乎每一个点与由i轴和j轴定义的水平平
