The polar coordinate method is usually used into layoutsurvey.
工程定位放线测量（简称定线测量或放线）通常采用极坐标法。
2
In fact, according to our survey, 94% of top blogs have a centered layout.
实际上，根据我们的调查，排行榜上94%的博客是中心布局。
3
Hence designers often use "minimized" layouts for sign-up forms. According to our survey, 61% of web forms are simplified compared to the general page layout e.g.