It shows in these parts of the pyramid that run vertically rather than horizontally, how much people should be eating of various foods.

这个金字塔的组成部分,是垂直排列的,而非以往的水平排列,它们代表了人体对每种食物的需求量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This grid of horizontal lines, and we will know that if we're going from here to here, it's got to be exactly this frequency, or at least this space.

这个水平线组成的网格,让我们知道,从这里到这里,正好是这样的频率,或者至少是这个间隔

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