男婴对立方体的大小和差异完全没有反应。

Baby boys do not react at all to the difference and the size of the cube.

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立方体的每一面都有正反两面。

Each side of the cube has two sides: a front and a back.

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一个立方体的每个数据点或单元是它的维成员的笛卡尔乘积。

Each data point or cell of a cube is the Cartesian product of members of its dimensions.

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So, basically what he's showing in these cubes is that there are eight spaces that need to be filled up to have a full cube.

因此，基本上他在这里展示是这些立方体中一共有,八个位置，需要把它们都填满才得到一个完整的立方体。

麻省理工公开课 - 化学原理课程节选

So, let's go back to the notes, and let's fill these in, seven electrons. Another way you could have known them was to look at Lewis' notes here, where if look at this box carefully you see there are seven dots around the cube, so there are his seven valence electrons.

那么，让我们回到讲义，把它们填进去，七个电子，还有另外一种方法可以知道这些,那就是看看路易斯的讲义这里，大家可以看到这个立方体周围有七个点,因此有七个价电子。

麻省理工公开课 - 化学原理课程节选