将四象限和八象限推广到任意维数是正交的。

The generalization of the quadrant and octant to arbitrary number of dimensions is the orthant.

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报告称，在过去的八年里，新发艾滋病病毒感染数已下降了17%。

It says new HIV infections have been reduced by 17% over the past eight years.

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与她们监督的很多男性不同，华尔街的新长官们从未渴望获得八位数的补偿方案或企业套房。

Unlike many of the men they oversee, the new sheriffs of Wall Street never aspired to eight-figure compensation packages or corporate suites.

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So, if you look at all of these, we have full octets for all of them, and if we count up all of the valence electrons, it's going to be equal to our number 26 here.

那么，如果大家看看所有的这些，它们的“八隅体“都填满了，而如果我们来数一数价电子的总个数，它应该就等于我们这里的二十六。

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