让我们忘掉433还是442这些无聊的数字吧，从此，足球场上只有一种几何图形，就是圆环。
Let us forget the 433 or 442 of these boring figures, then on, football is only a geometry that ring.
投射到晶体上的光束，由于入射角的变化所产生的不同效应，可以很方便地用一种几何图形体直观地显示。
The effects produced when a beam of light falls on a crystal for varying angles of incidence can be readily visualized by a geometrical representation.
它会继续保持三角形还是会呈现另一种更美观的几何图形？
Will it remain triangular or take on another, more elegant geometric form?
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