如果我們使雪花落到黑布上,再用放大鏡仔細的观察,可以发現雪花的形状是十分漂亮的,它的花紋非常整齐,而一片雪花都有向六角射出的主軸,这些主軸都在同一平面内相交,互成60度角,在主軸的两侧 If we make the snowflakes fall on the black cloth, and then carefully observed with a magnifying glass, you can find the shape of the snowflake is very beautiful, its pattern is very neat, and a snowflake has a hexagonal injection of the spindle, these spindles are in the same Plane intersection, each angle of 60 degrees, on both sides of the spindle