显然它就是当上帝意识到他需要另一个四边直角的图形来补足他初期的杰作正方形时想到的第一个矩形。
Palpably, it's the first rectangle that occurred to God when he realized he needed another four-sided, right-angled shape to complement his juvenile masterpiece, the square.
理论分析表明，顶角为直角、侧壁垂直和表面光滑的理想矩形光栅结构的偏振性能最好。
The results show that sub-wavelength wire-grid polarizers perform best when they have sharp corners, vertical sidewalls and smooth surfaces.
应用推荐