它是上四分位数与下四分位数之间的差异。

It is the difference between the upper and lower quartiles.

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绑在他手腕上的遥控器提供多种行动模式：“站”，“坐”，“走”，“上”和“下”(最后两种模式与爬楼梯相关)。

A remote control strapped to one of his wrists offers several modes of action: "stand", "sit", "walk", "ascend 'and" descend "(the last two being pertinent to climbing and coming down staircases)."

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据说，在秋分与春分日，太阳阴影会像蛇一样从台阶上爬行而下，与顶端雕刻的巨蛇相似。

Shadows at the fall and spring equinoxes are said to look like a snake crawling down the steps, similar to the carved serpent at the top.

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