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什么是左旋和右旋

更新时间: 2020-11-04 00:00:00     

左旋是指朝左手方向或逆时针方向旋转,右旋是指朝右手方向或顺时针方向旋转。

大自然里充满了各种各样有趣的现象,“左旋”和“右旋”就是这些现象之一。比如牵牛花的藤总是向右旋转着往上长的,这种右旋,科学上叫做“顺时针方向”。但是甘蔗汁制的或者甜菜汁制的糖的分子的几何形状都是右旋的。

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