立方指数为3的乘方运算即表示三个相同数的乘积。
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维（Dimension）和立方（Cube）: 博客之前的两篇文章：数据仓库的多维模型和数据立方体与OLAP中分别对多维模型和OLAP的一些基本概念进行了介绍，这篇文章是基...
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短语
立方米 [计量] cubic metre ; cubic meter ; CBM Cubic meter ; CBM Cubic metre
立方体 cubic solid
水立方 the "Water Cube" ; Water Cube ; water cube
立方根 [数] cube root ; [数] Cubic root ; third root ; die Kubikwurzel
立方码 [计量] cubic yard ; cu yd
立方烷 cubane
立方英尺 [计量] cubic foot ; cubic feet ; CUFT CUBIC FEET
立方氮化硼 CBN ; PCBN ; cubic boron nitride ; bn-s
立方晶系 Cubic crystal system ; Cubic ; isometric system
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So in order to fill them, he would have to have eight electrons or an octet around the cubes.
因此为了填满它们，他必须放上八个电子或者说一个“八隅体“,在立方体周围。
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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。
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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。
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